Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHYB6iuQ/iBlhAFX6jZ9p7m7gZ4xB0cNqHvyL0b7qy3TRsIBPAAm0fkdQBo… (844 chars)"
  }
}