Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCDkqVYV1/YidTUyM5zFJysKRR6RKS4xliZicYzxPOuQSfyN1mU6kLGP9tE… (844 chars)"
  }
}