Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGOPWg8foNV7g0Ev8Gx57VgWy7ZPrglZ+aDBwEF+njNjXAL3S9yvTD0kYzP… (844 chars)"
  }
}