Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCQ1OgqHKWqr5WV6jLrPEQPL3+BgWW1t+ObR/aB7Xsm4kQD4GrZMRnddLiM… (1,748 chars)"
  }
}