Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFWqLrh1FiTSqQpgIeUttZF+jQkANt7R6Z0bEHiHnyrfC/+ArZzO76zoHCc… (844 chars)"
  }
}