Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDL0MuoftEFpvy5iBKa9//z1NYHYm3xo9RMJ7gZd3GQ4w/to8W+QdykkgPG… (1,748 chars)"
  }
}