Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGLVw59/4fKHUOYi44s6DZxPHRBQPW8SpHP1Qyl6EpJryOiJyGwvtLDMaYv… (844 chars)"
  }
}