{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xc81236f85c0c5c02631a6107b434a7ac6ccc7c1449ad951da9c1a23d99de8aa8",
    "signature": "0xbb721c924dd12f56aeae476fd0a8a0144370854fa451b23ad24a30d9fb27e3df5c47f18b6e336c2c86ee5600dfa5b43dc79d8e7a4012bde50a919dc8f6e013521b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}