{
  "manageEntity": {
    "action": "Create",
    "entityId": "1613785182",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"140 for life\",\"entity_id\":2056400754,\"track_timestamp_s\":60}}",
    "nonce": "0x7f43438024f8fcda25768467aeee9c1d7ede3b5e343a184dd4495e923df93ff3",
    "signature": "0x810d332bdfb54362c2f5ffb654abf7547a76bbb7d107ffa02ea3b395dee923cc05ab219682910f8c276a3f9799580f3b0bf73bc2cb31111f5a9e4ae4522d7f4f1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}