{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9db02c39da9e1cd608a645adeafc2bce0a55fb5f1aecec9397efdd8cfd3fd6f4",
    "signature": "0xebc4241c0d332a791b306c555254df0a307db3c2fb6f1602d4ef849980dbcc3638afbc4d87d95dc050f7aaed9fcfb3726c20aafb54d173bdd4d342e51c45531e1c",
    "signer": "0x54bed9FCc45710BaB526AaA37Be6d7E22e31d2e8",
    "userId": "555228176"
  }
}