Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwENtA7LwEV1kzTUBmB76OhE8vOLXKCnNOsWXOYe/zTBXBAmumMfQL/7IDBQ… (844 chars)"
  }
}