{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345571",
    "entityType": "User",
    "nonce": "0xb2a99bd6e6def3ba76badaa94eb069d1481d8f1fd1d610ea4856598ac8c5833d",
    "signature": "0x35985e8332fa01a974f693690032ae0a44da3dd8a75fee71ccde7901028e70b409fbd26839cd00d9a822d4c37e777f9a87412fdd79e8881891acfe5ca777f94a1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}