{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7eb879b65f534426f8873a4ec98febbad1157256601663870a7ac12ca56c93b3",
    "signature": "0x029e9ec9b9e3bf7bfc2c7e3c9accd93d8a561fd3d7b83ff6f9dafd05076a40f43a21bac319e4ae5999f865c00605ef40c833ea45b575174a0d3a25665b3575b91b",
    "signer": "0xEE900f272a7061720C933d4E8E605147FC4F2893",
    "userId": "844847273"
  }
}