{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x55d8025de733dd38643b8ff38c14f8fefe43e3d300fa5dacafa90a220100cc04",
    "signature": "0x6c83029461764ab5fa7350ed2a670216ad914d04fdf770469f591c7fc77df46a2a0dee629354390ec56f6545ff16c2eb9929d5cf7b7a8cc4dbf6719accd339b71c",
    "signer": "0x05382D165a0EaD9972CD553D7Ee863cc9357a17f",
    "userId": "30491"
  }
}