{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0xef501294098ba1e90c35ba0405b510d227630523d2c1087cb8bf72c85b91f490",
    "signature": "0x1fbc34cabeb8e315e500d15460d235087edf13126a787a0d1ef4f8330562ba880fdb8f235e015c28d3eda408775f63ad033d21f966bb3aaf3e01956eb60e5cf31b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}