{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165176383",
    "entityType": "User",
    "nonce": "0x0e448aad1e2bc0e4c85a6c5ca3a43d4136243ba4e1adeb38549ca7a2f80fe8ed",
    "signature": "0xd028d5b19aa3e7d2c5d566ee793609355e77d6ed979ef881c7d31898ee64fca7572d51306939db31b72d73f3fb008fd3fa7cb29a27480301bccb4de0a3484d801c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}