{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112730",
    "entityType": "User",
    "nonce": "0x4366f485b9944f64650cfb48aa8c3b2b2ba71e32f2300683a8bf3a6176bc66ba",
    "signature": "0xcf5bbb9e9cf80055bfa7fcff6e303ed3fca17aaa754ff0592ce85031b7335cf83d12a36df2bbebcab771222c8f7c12232c6b371fcff8fb1473ceb2a3cace6b4d1b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}