{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6bae4be0d4851fe859d60890e56d8d8464f24d9be68df1a0d123608dca45fdaa",
    "signature": "0x1c954aac0b90f103e5d17dbcba92850900c45c835a93daaaaf72299430b8228e400ed6a4778711a555afa9259146b46f2e3dfe8acf0bed717c630ce82a900abf1b",
    "signer": "0x083967CE65892E2412eB130A9D9faB3170832AAe",
    "userId": "188098399"
  }
}