Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGgjYk46bLK08n9cMF1F8Bh1yIf0UT1G+PGVx4g1ucJVFt4vvvcV3wf0FZX… (844 chars)"
  }
}