Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDKn2P7XIJ+LGh4KNKl7n8wVS5LVjEyNBSa0I23a9t8qzC230Itd1F9vkFo… (844 chars)"
  }
}