Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGbvqnXpPu2mPjr1Kv/TgtYORPJEYTZ4uS8obv1R1T36XXvZlwlm+w1FwTi… (844 chars)"
  }
}