{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22193",
    "entityType": "User",
    "nonce": "0xb0ae674e9478d5dd68398918a076988ced0bad027d070043edaaf277eb47f52a",
    "signature": "0x1a0c15247d50454d7006b5598d802086b57ee77b6dc05eb0692781a6ec90b078568c8b22edabe19269c99d8b904caf0e7d73fb7bd754e93990fc5bda29e68ae01b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}