{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105131078",
    "entityType": "User",
    "nonce": "0xb4aa5779de86b6f953061a55c44031653f5c2f30ab3956c4ff22577d1c0b9796",
    "signature": "0x52323b53eeb550238a83deadb52fe8bfaa2a393d78f0e5c4331fe3b239f533592b4827dbe36badafc663f7607a17e376df637ec68e835a9c4aae3a4616e972591b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}