Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZY5KyySDlHq/qZ2dbBQyFPYkCK44Trvg0yPzpk3p7eyCbf7YBPQwFSJA9… (1,748 chars)"
  }
}