Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCdTABN7VNnUqE7RHMx6x9W+8MPWWFalG+Q6bc82MIYVWC4HUqMlAPFk2Yb… (1,748 chars)"
  }
}