Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCvhSj8V/H3TefNxOsT+X5L6L2+7MCNSR2+xj1yQOXXtxso4E9zfYwRuXmP… (844 chars)"
  }
}