{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296865",
    "entityType": "User",
    "nonce": "0xf46b1c726d05b679bc6dc2d579f30e95944f71b5c659682847c53ce4aa2d0bfc",
    "signature": "0x1baa1c4df43b144a286763796cdec085db232b48c77311c85bc39272fa1ec8b74beca4ba614ff8f2d16d7db73798a69aee006f1281e475c4f1604546f756cc761c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}