{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239411",
    "entityType": "User",
    "nonce": "0xff5d17287715441c1958e92f25883d961bc3d1316b9ce6944abae31f4b8c8301",
    "signature": "0xe85d4291c0539dbc108e1ae4504634c5a7066586fe91b30b64503471250ed48d032a002094eb2053b088db932018c36f621318a198173c01a11a8b9a76136f321c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}