{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xb820a21cd6f0ba4f9ca31b7c8b398873c1eacf0c2ad576111b3d92ea307a8371",
    "signature": "0xc33ef2b1c4d356b3b6a2e0e2ed8dbd38b8de50ee3550c1cfee2390e38f4232d518fceebdd5a83c7413eacc82ddc521da232f3f4e64e1b5f3fdc37af17407a2981b",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}