{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x216fd71fc0dc8f3ff24087ff24dbfe639542d6c4c957e5de7e571e94e3179a3c",
    "signature": "0x4daf1462c8f4e98d47b7f25dc33fe541dfbf246666d25771194f96648763de9c0a30062ac5876e884d19a33e863f02e12559d2dd164779a6f7a344c3925dd3001c",
    "signer": "0x77c86D1dEAB8450953b214a1726a1C454fb3143A",
    "userId": "262211358"
  }
}