{
  "manageEntity": {
    "action": "Create",
    "entityId": "1352235707",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"@eminet07 Thank you\",\"entity_id\":1143534468,\"mentions\":[571117272],\"parent_id\":1144880450,\"parent_comment_id\":1144880450}}",
    "nonce": "0x2dcf9ca4ebbc55fbba09990922c96915be0df9c0eb4dc7088599ffbac571dcf8",
    "signature": "0xc64ba57886bc448d97ba79005eb62270ee636b657b45fe8d403ea3389462269c1ca7dcccf2e91b867ae35868aca20928dcc02fb5547d9dd569a08ed6837182fe1c",
    "signer": "0x8831AFda1B0A77E6B9be3b530EccCCf6993fc7f8",
    "userId": "967803557"
  }
}