{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39727",
    "entityType": "User",
    "nonce": "0x53f34b923802be8fa5fd56be3dc909ad10e689265001977a55c2f829cfb574f5",
    "signature": "0xc7e75c616520b10ba0fcec977146736475912361c7b15f51f5301898543e8fed27a072ed8fec424c066b2a44ba0b7d7fd3956cec91f60cd353e61599b72070941c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}