curl --request GET \
  --url https://api.example.com/admin/v1/topics/{topicName}/messages

[
  {
    "type": "PHASE",
    "message": {
      "partition": 123,
      "offset": 123,
      "timestamp": "2023-11-07T05:31:56Z",
      "timestampType": "NO_TIMESTAMP_TYPE",
      "key": "<string>",
      "headers": {},
      "content": "<string>",
      "keyFormat": "AVRO",
      "valueFormat": "AVRO",
      "keySize": 123,
      "valueSize": 123,
      "keySchemaId": "<string>",
      "valueSchemaId": "<string>",
      "headersSize": 123,
      "keySerde": "<string>",
      "valueSerde": "<string>",
      "keyDeserializeProperties": {},
      "valueDeserializeProperties": {}
    },
    "phase": {
      "name": "<string>"
    },
    "consuming": {
      "bytesConsumed": 123,
      "elapsedMs": 123,
      "isCancelled": true,
      "messagesConsumed": 123,
      "filterApplyErrors": 123
    }
  }
]