Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA4i6Oi/ynW/Fu8IjUatS5D9ZN6JfwrtpeLwWDh1rGFkwJJz71llxAGzaAc… (844 chars)"
  }
}