{
  "manageEntity": {
    "action": "Create",
    "entityId": "1428274555",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Niceee\",\"entity_id\":2077572863}}",
    "nonce": "0x298cdd3af17e77a2499a0d823d3e6f0fb2582127ed7325f14372995848cb29c6",
    "signature": "0xb95a66b4971608fcd9c81cabd6727c03a1ba1cb83d8dfad5ed0574631099dba047a7479e7603854346a06275775acd594598431da99c0872a491351d4e63f5331c",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}