Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA1nM+1P1sW6hf2vsT68xUyA5uTMhDg4oF0XXwbo2HL9WEuAFZkRvx7I8e8… (1,748 chars)"
  }
}