{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0xc54633407ddc9f5e4c2c473e74dc147185e640bd0e0a8510b41a95373faadd7b",
    "signature": "0xb2d4a00925acaa1fd0fa161aff7a6056cf4f63fd63ee4be3b9ef9c1316335ea2590b8c6128ca24ec1fb3b77cd096554e06cac2c33e0777becc1871909688c9711c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}