Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBlK6aDw3IufiRvTAqZEo0ReN0UlTyWmvXpZRR41WW3aD8/Ww/+YB59Xpdh… (844 chars)"
  }
}