Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDvHPCRgosmrZs+yJX2kCMpbpfgAQlZArRNS6w5QwAblmH2Ul6i/z+ZkTCJ… (844 chars)"
  }
}