Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDVhhtZhOW1lOVcYMpXuBRDKdzFX3KfqGFQlKqSFQzfzTfanBNy81BS9VT+… (1,748 chars)"
  }
}