{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9962",
    "entityType": "User",
    "nonce": "0xa7d2276b73cfd35b85ea0fd446cff13d81d9dfbb9c565f6474db0ea30d789ec6",
    "signature": "0xcf57df413565e507aba87862d16635b59eefbad6e44118b8f21fd108bbd468743c1249ee21105ba7c2033152c2f5de41fee181e57f0b8ba61aa5c6f0f4a76dd01c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}