{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81357",
    "entityType": "User",
    "nonce": "0xa03cfd6aa050825be8db7b10d924e79dc62505bd845414b52225a0ba438612a8",
    "signature": "0x750838be77661b50535005581ee095e3254bf1c2385b2672c5b38adb64de98ec090260a64359cc9d40174c3892a243b04f0a645939f641bb914a69af306bb8ee1b",
    "signer": "0x0FcAb20e0C97D4d3d08C8fFD891B8210fa488beb",
    "userId": "170294"
  }
}