Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGtpnJDBD/k2VVcSD5zSdnfAvBWE+1gGRD8XTjOjmJqfiY5T1Wj1N6EHG7d… (844 chars)"
  }
}