{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6688abc5b52a9479b30c42cc3619a32376291e78f12fac4a7e578ff4e427c4b9",
    "signature": "0x6a46ccdb77cb7d074b079abc3de307f77d20ac9dcc517d57c84afeedfb41fdda7afa0a460136d098c4f916e919cd6d1ffa055bb286e757f187dde77c37803e5e1b",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}