{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76457",
    "entityType": "User",
    "nonce": "0xa686a07bc55b3ff2d2b945fc49c692b05ced04c7fad1c37242b07c28676afab7",
    "signature": "0x202979b976b4e95d0281af8f8b2376cb0b3e9e45ac3a501218dd0e387a2e94fe7e06026d2276cf16e845a3790dfade95680cba2d6baf0c9ce94cdc376d5c821e1c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}