{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4ddc5a3f141892a29252448158d06520b92765b16589ca86e2efd0c936fa2a11",
    "signature": "0x1a2a44cd73ae45e8cb09ae8b8772c22ab1e41e1008bb6987d11650484a9ca2394d593ace4119763439c60e1a8518a99013821ed20f9f02782c78c601bcc2f89b1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}