Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGfcX1czzKIQU3vR64QaY5U/LFI0g3KJgZvvzrAyHMHe0zRSrqnGDKfVjEA… (844 chars)"
  }
}