{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x245642ea3e7f6a860bc15b08d68f10df30b9102dbe2f97b8fb2b6215e9883a25",
    "signature": "0x4c24959c6d709d3dd6ae4dff6ba77aaf383ef299b3c0dab254882383c388439f636fa49814765f4088bc19484f717d558739ea41a9639db4d98c1eac099ed82b1c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}