{
  "manageEntity": {
    "action": "Create",
    "entityId": "392364431",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"wow i love the way this flows , clean sound , keep it up this direction \",\"entity_id\":721907273,\"track_timestamp_s\":2}}",
    "nonce": "0x468ad5299ee267502629033238bf1fbc7f4ee178b384ff5de369348630784fba",
    "signature": "0x3a5fbba692e8a402b99f970e4a8e955db5024ef6e8d52316047ec9a16cbd42d86cae6c30016aefdaeb8838a8a2b79ca8f612ef3c9be5d36f2f38f9ecd731613f1c",
    "signer": "0x97Ce19D122F5b51231cF4DBbd25Ac36CBDd6CACa",
    "userId": "426864186"
  }
}