Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGq/gOUtfHhKipOT5eTQw5FnWg91FKWaEhAiz1Umpb8zCp+OY6cB0iVLSqz… (844 chars)"
  }
}