Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDzCpgAWno5wfcHl5gECs6ZrDMtfpF5vvdXxkbj2uCp5Cu13s6eePBLg5R9… (844 chars)"
  }
}