{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2390",
    "entityType": "User",
    "nonce": "0x80967d61edb3db3561d787f7ec20a008a731e8ae4b981bd23416049b6d5a5bad",
    "signature": "0x73530c8666449e36850f86512477cffc1002bc090f070d2eeaf75353abcd73e540bfb1e85204cec5151b50ddbdd6d2973ceaacedb2b75e7bbd092b8c06624ae01c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}