{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x28e6207d04b1751eb1007d8c647644418d8bd64eb127486b2b8693a2ed6f1892",
    "signature": "0x5f1ac54898814a00d87c7f7f913fde06c5f0e20d293fa9e8723308a49f375d832cedf52c376528356f80bc533ad26da8881bc82aa7e679673344825529272ccf1c",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}