Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB7Juek/kZV5Kc66ZwVfuCZGauF2WnF+c14uf4GWR/xVz3S2vlbKqb+Ro6p… (844 chars)"
  }
}