Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH1UWDYzUBAwF/+vkAs6K3i2KPXeH/ajhvVW2c5X3NF+xT3sT18RqCU+Ehi… (844 chars)"
  }
}