{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xd146561814a16803822188988455ee39a9835d5e27c6f04911c433fa45b24317",
    "signature": "0xff06895eae1bb5a84650b4a196c48c7d5edac29528521a242ab7b0d2d12e1cdc178372ee57ef7969fd94994c228ea7911f1178236b6673f8e97061f49f87735e1b",
    "signer": "0x1011297FAB27Cd869ba8313983bF4793AB784705",
    "userId": "540848139"
  }
}