{
  "manageEntity": {
    "action": "Create",
    "entityId": "573935591",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🕊️🕊️🕊️🕊️\",\"entity_id\":1387971584,\"track_timestamp_s\":94}}",
    "nonce": "0x7bfab7838be4d63706a4c92a9f5454a2aa1695f50a5a1fe0e0c5660aeff260d7",
    "signature": "0x69c53c7187bfb4fb3d3272b72d643ad0b6ba9c6619ac1c4ecfa923d45e396e7c5dc062472e11f800b8c2f8c79ce69b30398b3254e4fa87646b848c244181b4911c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}