Get a transcription for a call

curl --request GET \
  --url https://api.openphone.com/v1/call-transcripts/{id} \
  --header 'Authorization: <api-key>'

{
  "data": {
    "callId": "ACea724hac8c30465bcbcff0b76e4c1c7b",
    "createdAt": "2022-01-01T00:00:00Z",
    "dialogue": [
      {
        "content": "Hello, world!",
        "start": 5.123456,
        "end": 10.123456,
        "identifier": "+19876543210",
        "userId": "US123abc"
      }
    ],
    "duration": 100,
    "status": "completed"
  }
}