{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x93a60f23bb0a94b51e796df8a40e8a1bcbb5a8dfeb5ca6915236f86daaf954a2",
    "signature": "0x131f17dce2228650526beb51a314161e5661d572cd91dd7be078afe92dac0eff3e6235a21d807803a4d2b63018896ac5bd3f8e9d7820dacf299f99619cc365d51b",
    "signer": "0xCFAd6E193e3d4A3A3243FE7D3a1c7F638f121Ae4",
    "userId": "88904142"
  }
}