{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100011",
    "entityType": "User",
    "nonce": "0x25fadc21521d6fecefd8c7cf1d9b17a0c6948840f7dc8fd131cf130ac735c98e",
    "signature": "0xdee04a3e2472cdadda561381b39282edca7bb20f36e6cb73d133a97eba0ff0490e667ba85e4385016d873d8b8acbca958d13cd5fdbeb5b279141e4f9ba3b13261c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}