Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG1yNmYdQk8SV2g9G4XAsouqa7vbQJbL8cs7g+yKUPQR2ojOQB4M0e8lD4H… (844 chars)"
  }
}