{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xddc5c04f7f7ed650a520cb0ea8c8f8cd7faa710b140c7ae03d583502eb33dd45",
    "signature": "0xee32375c3fb9651f61d3e7b9d55c0d2763653b3201e291387bd92e80e19d3a867a7fc371d1c849666eae3da58d6c86f62c91b4a681599fb750cadf3ada2208651c",
    "signer": "0x82A6C57bC07108331398267471508266e9e7afe6",
    "userId": "406538127"
  }
}