Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDTBJppc6TfBjaSQWdC76rkqwxOI3kGXS2Y5oSZxLLBmmR5jU7uPSLc7ZS3… (844 chars)"
  }
}