Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGN/Lob2dT/w7xzekbqS3TGY7lMMf7ZXFzuZvcbWZvYBB8e/INJnmo7yXJD… (844 chars)"
  }
}