{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0x4f99d0693c785ee9140491276827675a7f1013a0b71016e71283322d1748f101",
    "signature": "0xe6f04c8e2f52918004935cab59273cd034e28a049761e0bf3142937a5573491c0caada32c72f9b11fa96b5f839327f960efe40f6f6c2cd6d8a40d9b3e6a571241c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}