{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfbe3e71df674201f05087c9e6dfbb27a9ad9a715f7aae7c96c8e94ca4e6a4a9f",
    "signature": "0x9fc4a86b2024ce83bbc5ca2c854bf8a4f7d5c5eea6de8e56d81cd535263a4a153719d57b93901ca4fdebfe0b3996ec5ee92dd2d14d7461016cfcd3979253704f1b",
    "signer": "0xca7ED35Ea6226B62ef9998B36bcD0519E7822ab5",
    "userId": "413318698"
  }
}