Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHUW+XJ0lYewvQ1JM5wWNA5YenDGm0N/rrIe4q3ysv7Em4FcVG1RoE/r+Xc… (844 chars)"
  }
}