Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHxZ7Rl9TzQaNoNeGtZEdKKSc+yUCm3uvnWXvNEh+aXMHPp3+bBUr4D+GqH… (844 chars)"
  }
}