{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa92c5f21e79a9cc579176dbaab8cf456149f61f157320ffbbb6711a8e4e2734e",
    "signature": "0x4b294725475bb035a331f95d8c81229fce0e6b8e904cda96ba4f568d75787b442f2a2b64ae6eb1109bc5e5ed3811cb986c81e7d06beb8cf27a8f74207e3146ba1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}