{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134529",
    "entityType": "User",
    "nonce": "0xb6634410236e04afc13cb20e8675dd5fa5fc887d92a0ace89bf90cc9a0e6e3ce",
    "signature": "0x4427799c136eb8b1285f7bc71dac1f3d485b5f7300eef6fc20cc927dacf692930c14cd7c05055014ec73e634d3b747e58ca62e1412397130e2eb7d1619eaa9161b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}