{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152826",
    "entityType": "User",
    "nonce": "0x7bd8e3280be93c16e65eda58c92d3f3bb4ebd71d3c06670cf0d5c7b36a1fde47",
    "signature": "0x690141deeed03640d8701556abacd48db1ad13db42f0301b4d87de1bfbc37a487b2d250c8e0f073ae000b77ef538a238d60789daec05a7eba9893320b04b2de61b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}