Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGlkNxxqSIqw0ygg2q/1kOX6zXX28o+qMyDiZFSzDJafl5/kPWtIyYXNs7/… (844 chars)"
  }
}