{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33354245",
    "entityType": "User",
    "nonce": "0x475bbbb0f71e4bf8254c343dc06572e54eada315d127ac48e5e88e08dc9a486e",
    "signature": "0xd19b6bb8ec1b3125ed4e93fb7bd4a87db2d5b5e2c8b23a490091c3d3696352f42eae28991d3e87e6f5b612ac73b1a58b36f017bdc4aefd680c79f99496347df81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}