Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHvpJ0uYrSIFPhiGiqW/ceQFVonhWudsOp1qfOq2WGsGGjjr+2A+KGxXB7Q… (844 chars)"
  }
}