Greeter.json

{
  "name": "&b&lGreeter",
  "entity": {
    "customName": "&b&lGreeter",
    "customNameVisable": true,
    "invulnerable": false,
    "silent": false,
    "id": "minecraft:villager",
    "tags": [
      "npc_greeter"
    ],
    "activeEffects": [
      {
        "Id": 24,
        "Amplifier": 1,
        "Duration": 9999
      }
    ],
    "villagerData": {
      "type": "plains",
      "profession": "nitwit",
      "level": 1
    }
  }
}