{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9d2afef2dbd4c009c376c4d46228f2d1e25614b958506ad0d004c4b474ccb8c0",
    "signature": "0x58323f308b66bee3df13e305539a776ffdaa7fd1e4a830d971e20c8fb7dc4f2172fd7e1572d756c1ae7a2dcef83036ffc3745a8b3b76c53ae99c79ed438b00691c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}