{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xb42717a1fb6768b9282fb5d12dcf9a3ccc02701ba2dbeedcef5238f6b770d569",
    "signature": "0x9a0dffabf512a2fcd81447ad4faebe62a34be3591af5c6a6ce43469456234b162565c59cd26169daf2ae54a51822891e43798172082a1101edba23fb503253d21c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}