{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc065c09c1bcb9d09581f5920c52bf4acf738f43416565579cbd5156b5dbf92aa",
    "signature": "0x7ab1c879500fc793abe50d68cd0a3525d768d664daca06ea75e9c296b28b5c0515994fdb7d9061297b12e86c041e52be8bd76ada05bb8e26365aa66f4bfb75821b",
    "signer": "0xfaB9A02FB95D7896dE4728D709e3bffA5110091E",
    "userId": "270589339"
  }
}