Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAwnMtGsSi7zaZUlx1DdaOzVWnfxlmV8gM6ZfAS+n1k/moo9tUa+kfkPiSA… (844 chars)"
  }
}