Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCgwKIjj8GzEZGI2ZXHxa8m8i5kSgWx8RsscX/eA1Iohgm0j+ENpJX1yzoO… (844 chars)"
  }
}