{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x3c6c65c84e175c340de593a2cc3012f9d64377ce5c717ed5dc970ba932b6a704",
    "signature": "0x2fb6b8e56bfe395c2d3be91b49f373946012980dc651854af605cbf9051b104d6bd0c9c7cd1265c8b12f0734779a5260adf97d99709e1facdb81a1a57d312e7e1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}