Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB0/qcVtJhOVqJHlHGScxYlIN7kcHp7keDAWi7PTlXQMDJ47EyT5V7Wh/Oi… (844 chars)"
  }
}