Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHmgDIx3gBxUZmHKq09s3t94nAyYS+EdtKB7rrb+Btk5Tst71S3y5MJgiOJ… (844 chars)"
  }
}