Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwLDZ5WW48p+TLX/EF4RM0S3SebUlq5PpVcOKJ4+QgZFrR4+lIMW0PBFEqkR… (844 chars)"
  }
}