{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x9889505d0eac087cdc2a64d58ff8490478f731ddfaf0608a4a62f8adc2178391",
    "signature": "0xb07fc1428a6251626f5f405f4887a757121e9bfcdff7698005ee4b5aaefc9ec35d90d28a252ef23bac55676862c238e910c0712668419d9cecba57ae3afa54a51c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}