{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42634173",
    "entityType": "User",
    "nonce": "0x173334e895ca4db8973f56528ef489699efe5272c2ff8af0fda6bd3db400f8fc",
    "signature": "0x4a88a9395f89ec01b86ed55b7eb51b6d0b13eb03f7788a249b38ebec5f3968ef682331092181411e3c29b5bdfe5dc7844fc186cb9b45d6980b34e0f088e956d31b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}