Controlling a device works with Intiface Central UI, but fails with buttplug-js

[nroponmain]

I'm trying to control a device with the example in examples/quickstart.html.
Intiface Central 3.0.3+39 (latest Flatpak version)

The device is already connected to Intiface.
When I change the vibration directly Intiface Central via the slider the device vibrates as expected.

Then I open the quickstart.html and connect.
When I press the "Connect & Scan" button I get the following output:

Device connected: Satisfyer Men Vibration+
Connected to Intiface Central
Scanning for devices...

When I press the "Vibrate 50" button the vibration doesn't start.
In the Intiface logs are the following errors:

Got invalid messages from remote Buttplug connection - Message: Text("[{\"OutputCmd\":{\"Id\":4,\"DeviceIndex\":0,\"FeatureIndex\":0,\"Command\":{\"Vibrate\":{\"Value\":[50]}}}}]") - Error: JsonSerializerError("Error during JSON Schema Validation - Message: [{\"OutputCmd\":{\"Command\":{\"Vibrate\":{\"Value\":[50]}},\"DeviceIndex\":0,\"FeatureIndex\":0,\"Id\":4}}] - Error: ValidationError { repr: ValidationErrorRepr { instance: Array [Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(0), \"Id\": Number(4)}}], kind: AnyOf { context: [[ValidationError { repr: ValidationErrorRepr { instance: Array [Number(50)], kind: Type { kind: Single(Number) }, instance_path: Location(\"/0/OutputCmd/Command/Vibrate/Value\"), schema_path: Location(\"/messages/SpecV4Messages/OutputCmd/properties/Command/patternProperties/^(Vibrate|Rotate|Oscillate|Constrict|Spray|Position|Temperature|Led)$/properties/Value/type\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(0), \"Id\": Number(4)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV3/items/additionalProperties\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(0), \"Id\": Number(4)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV2/items/additionalProperties\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(0), \"Id\": Number(4)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV1/items/additionalProperties\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(0), \"Id\": Number(4)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV0/items/additionalProperties\"), absolute_keyword_location: None, .. } }]] }, instance_path: Location(\"\"), schema_path: Location(\"/anyOf\"), absolute_keyword_location: None, .. } }")

Got invalid messages from remote Buttplug connection - Message: Text("[{\"OutputCmd\":{\"Id\":5,\"DeviceIndex\":0,\"FeatureIndex\":1,\"Command\":{\"Vibrate\":{\"Value\":[50]}}}}]") - Error: JsonSerializerError("Error during JSON Schema Validation - Message: [{\"OutputCmd\":{\"Command\":{\"Vibrate\":{\"Value\":[50]}},\"DeviceIndex\":0,\"FeatureIndex\":1,\"Id\":5}}] - Error: ValidationError { repr: ValidationErrorRepr { instance: Array [Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(1), \"Id\": Number(5)}}], kind: AnyOf { context: [[ValidationError { repr: ValidationErrorRepr { instance: Array [Number(50)], kind: Type { kind: Single(Number) }, instance_path: Location(\"/0/OutputCmd/Command/Vibrate/Value\"), schema_path: Location(\"/messages/SpecV4Messages/OutputCmd/properties/Command/patternProperties/^(Vibrate|Rotate|Oscillate|Constrict|Spray|Position|Temperature|Led)$/properties/Value/type\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(1), \"Id\": Number(5)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV3/items/additionalProperties\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(1), \"Id\": Number(5)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV2/items/additionalProperties\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(1), \"Id\": Number(5)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV1/items/additionalProperties\"), absolute_keyword_location: None, .. } }], [ValidationError { repr: ValidationErrorRepr { instance: Object {\"OutputCmd\": Object {\"Command\": Object {\"Vibrate\": Object {\"Value\": Array [Number(50)]}}, \"DeviceIndex\": Number(0), \"FeatureIndex\": Number(1), \"Id\": Number(5)}}, kind: AdditionalProperties { unexpected: [\"OutputCmd\"] }, instance_path: Location(\"/0\"), schema_path: Location(\"/specs/MessageSpecV0/items/additionalProperties\"), absolute_keyword_location: None, .. } }]] }, instance_path: Location(\"\"), schema_path: Location(\"/anyOf\"), absolute_keyword_location: None, .. } }")

When I start vibration via the slider in the Intiface UI, then connect via quickstart.html and press the "Stop" button the vibration stops. So that part works.