RealtimeFinalTranscriptEvent

{
    "type": "finalTranscript",
    "payload": {
        "sessionID": "f64470cf-3860-4029-b905-d576bb175df4",
        "text": "string",
        "providerEventSequence": 1,
        "providerElapsedMs": 0,
        "receivedAt": "2019-08-24T14:15:22.123Z"
    }
}