{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232897",
    "entityType": "User",
    "nonce": "0xa7cdf679fa56f15832fb7414aff3bcaa2389c6cb73699d894ef969ae9030239c",
    "signature": "0xf5fb0b17db68e002b5706ef7413e97ec50dfe0bb340dafe110e376d64eaf842765ce1ffacda72f76117013e1dd6a9e135999e1a4364ceb5b82828defa89529a71b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}