shulker_bullet

{
  "format_version": "1.10.0",
  "minecraft:entity": {
    "description": {
      "identifier": "minecraft:shulker_bullet",
      "is_spawnable": false,
      "is_summonable": false,
      "is_experimental": false
    },

    "components": {
      "minecraft:collision_box": {
        "width": 0.625,
        "height": 0.625
      },
      "minecraft:projectile": {
        "on_hit": {
          "impact_damage": {
            "damage": 4,
            "knockback": true,
            "should_bounce": true
          },
          "mob_effect": {
            "effect": "levitation",
            "durationeasy": 200,
            "durationnormal": 200,
            "durationhard": 200,
            "amplifier": 0
          },
          "remove_on_hit": {
          },
          "particle_on_hit": {
            "particle_type": "largeexplode",
            "on_other_hit": true
          }
        },
        "hit_sound": "bullet.hit",
        "destroyOnHurt": true,
        "crit_particle_on_hurt": true,
        "power": 1.6,
        "gravity": 0.05,
        "uncertainty_base": 16,
        "uncertainty_multiplier": 4,
        "anchor": 1,
        "offset": [ 0, -0.1, 0 ],
        "homing": true
      },
      "minecraft:physics": {
        "has_collision": false
      },
      "minecraft:conditional_bandwidth_optimization": {
        "default_values": {
          "max_optimized_distance": 80.0,
          "max_dropped_ticks": 7,
          "use_motion_prediction_hints": true
        }
      }
    }
  }
}