Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBY5FI73yUAGKV+1pMs3wr9q4JVpdtpyBO3Rf467H/kbkXSn5z1aqzGLc1+… (1,748 chars)"
  }
}