Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC4KzpwJfWKCNsUzk8gIWT+0nxXrxxxd9vjPz/5sSG2Y3aUdcrkW7hw/unu… (1,748 chars)"
  }
}