Constant EVENTS_STREAM_EVENT_NOTIFICATION_JSON 

pub const EVENTS_STREAM_EVENT_NOTIFICATION_JSON: &str = "{\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"events.stream.event\",\n  \"params\": {\n    \"subscriptionId\": \"77777777-7777-4777-8777-777777777777\",\n    \"cursor\": {\n      \"streamEpoch\": \"66666666-6666-4666-8666-666666666666\",\n      \"sessionId\": \"33333333-3333-4333-8333-333333333333\",\n      \"sequence\": 5\n    },\n    \"event\": {\n      \"eventId\": \"44444444-4444-4444-8444-000000000005\",\n      \"sessionId\": \"33333333-3333-4333-8333-333333333333\",\n      \"sequence\": 5,\n      \"requestId\": \"request-failure\",\n      \"deviceId\": \"android-emulator-5554\",\n      \"atMs\": 1720000002000,\n      \"payload\": {\n        \"type\": \"actionStarted\",\n        \"call\": {\n          \"id\": \"22222222-2222-4222-8222-222222222223\",\n          \"name\": \"inputSecret\",\n          \"arguments\": null,\n          \"argumentsRedacted\": true\n        }\n      }\n    }\n  }\n}\n";

Canonical event-stream event notification fixture.