Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF0n3xXpuLVGWWPPuKBhDY2ukAwi2/J3iLK3VZRmtaw2kmmPwQ3jN5dLGnl… (844 chars)"
  }
}