{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124100",
    "entityType": "User",
    "nonce": "0x9244f6147c319a8943bfcb7034ad7317a5c58e216f0596270c7543693e664535",
    "signature": "0xb4ac0666a00a66df5a5327786b27c11b010dca489ed8986d9a80b3dfde8d88117d207fa486ee295708162d6acbeb12790e86ee668a5b39f27d67fb1c7452317c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}