Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGHx9Jtb2TIFf0Kbyimhf+QWngt27VyRqfgFqxjbG+N2kRmvRw1gYkYlgSV… (844 chars)"
  }
}