{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x4f400ae761a7c846c531e6dbcaa5f9de9406ff0883962694c84b58632e6aaaf1",
    "signature": "0xab6dd311efef8daad480caba9e13aec902e1400d882efd795f538f9954409ecf6d993c0a9a79002fa7d8d8136f35cf13370544d73b8de5baaa8688640bf44adf1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}