minecraft-assets/assets/minecraft/recipes/mossy_stonebrick.json

{
  "type": "crafting_shapeless",
  "ingredients": [
    {
      "item": "minecraft:stonebrick",
      "data": 0
    },
    {
      "item": "minecraft:vine"
    }
  ],
  "result": {
    "item": "minecraft:stonebrick",
    "data": 1
  }
}