Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJQP1n9O0MOFk9LkGXJNSDeX3Pvzdt+qfph9w6JXufAWFI2c7f5hNZZlv7V… (844 chars)"
  }
}