{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7219eccc2d776be2297cfe93b80e50f54e39f07f73bf123a1fc7c030e935acc7",
    "signature": "0x54fd122e85dfaeec20ad8bd0f4198df9ff0ba6a53d2a95d8c3e4583d7bd02f904f972ae0f67137f5889baed10a9b8fc166c24721cbabbe73d6976241981950df1c",
    "signer": "0x17141572B0250E4291cd034d4C034793AdD4876c",
    "userId": "777872195"
  }
}