{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374065034",
    "entityType": "User",
    "nonce": "0x3a684995b77dca3388007e417c247c69aaa84580c878e64efab7da2a344af2a4",
    "signature": "0xdaa453e0db0078df6167b51164dd7eca72efcc8913f51fbadecb9bccd2792f776d0d2bd6adb53c4d8b81496a46762af352117f2e43379d237e1bf5b21229171e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}