{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72022",
    "entityType": "User",
    "nonce": "0x2a27c422526b40eed50d24d41784e4e7fb271b52b0cdf607aaf4e9e669d9575b",
    "signature": "0x329c8fd48d084f5b5e8d28b50775f317c1109d68f78aa2bc8b5b34e325be38e7370e5940ad88752ee754b0aaaba6062e06ce46fd81338a573ee613770c1abb351c",
    "signer": "0xd41d03fabc8A113A5e32266E5645Bff54f429099",
    "userId": "154510400"
  }
}