datapack not being detected

im trying to make a datapack where villagers drop their spawn eggs when they die for easy transport but its not working for some reason and i cant figure out why.
heres my code
{
  "type": "minecraft:entity",
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:villager_spawn_egg"
        }
      ]
    },
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:villager_spawn_egg"
        }
      ],
      "conditions": [
        {
          "condition": "minecraft:entity_properties",
          "entity": "this",
          "predicate": {
            "nbt": "{Age:-1}"
          }
        }
      ]
    }
  ],
  "random_sequence": "minecraft:entities/villager"
}