{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7e359ee66fc45f18118fa71568799cec4504fd32fe0f68396ad20e5673691cf6",
    "signature": "0x2ad7ee0564f4be2fb9fe1595e00f4fd950a7c43efcdf68cb3194f2895f26cfac4830b6251610a8df27eb6323a92866fcbad13182797b3cae206b6a89b732a2361c",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}