{
  "manageEntity": {
    "action": "Create",
    "entityId": "391014212",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🔥🔥\",\"entity_id\":2020892736,\"track_timestamp_s\":2}}",
    "nonce": "0xbdcc9f8baaf467a1d323aba9b83aff987a057faabd76eb35dae0861cf7bb1b94",
    "signature": "0xc36ef3744fcad27c33fa26e12ea7deccaa4ef744d9c652ba4908d30d6f9b789e78e0f55c170b912559e56665d30c5bbf6bdf45b3c0dea4ef26104e29892a9d961c",
    "signer": "0x5cd3eA7DcAA86960596227F4c8624063F3B8893D",
    "userId": "215993"
  }
}