Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGjcTy0pSGBgAzAyoEXxdmYcX0tkaA+CBFBIvWtk0rlbBn4BafMxdLZfeUh… (844 chars)"
  }
}