"description":"Defines if the entity ticks the world and the radius around it to tick.",
"type":"object",
"title":"Tick World 1.8.0",
"additionalProperties":false,
"required":[],
"properties":{
"distance_to_players":{
"type":"number",
"default":128,
"description":"The distance at which the closest player has to be before this entity despawns. This option will be ignored if never_despawn is true. Min: 128 blocks.",
"description":"If true, this entity will not despawn even if players are far away. If false, distance_to_players will be used to determine when to despawn.",