{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x61ac3c8789b509217ee29c82191551e33e7326b25348ad79ecf9d31a10b96ff0",
    "signature": "0xd148d1f5ff22af68c0a426ced22f1fac3e23df1b23317d53ee9e01a6e25028b27b3190a35e7def32c7fd477e0c9fed1eaec7df32f59fd4f2c97b27abc3502be01b",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}