{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330077",
    "entityType": "User",
    "nonce": "0x08da55110f6b5ecccbbe5f49ee117c67a42e5c0a5a063fa43943e6dc3cb3e0b9",
    "signature": "0xf9b6f685f995ea57a26d58047470f4824dbf8b4ec200ea1cb740bda476c70f4c60cfbe9dc4c4a35619b23cab54a03461ab74a9cbfb8f547736665ed9fa82781f1b",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}