Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF3NA5L0on+Wc9fwWQhqEqf4R0w3Biz7/r0w7k9Xe3OTXxlN6yAW5keyXxj… (844 chars)"
  }
}