Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHVTpR4OGgQHFTRCYk7QXYMfONnUbmkUEP8T/KL+x1uTEkpMIyF11Oa8lY7… (844 chars)"
  }
}