Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDpkl0dmQlW5aPHWjfZJ/Ht3VSHR8ZaV+5QrZJp9LB2uVoJNVnv9flyWESe… (844 chars)"
  }
}