Entity Data
Entity Data is optional data used when spawning mobs or matching specific mobs in quests.
Use it for names, tags, equipment, persistence, loot tables, baby state, and modded entity data.
Viewer Spawn tag
This tag works with Minecraft: Bring Tagged Mobs:
{Tags:["Viewer Spawn"]}
Named mob
{CustomName:'{"text":"$userDisplayName","color":"gold"}',CustomNameVisible:1b,PersistenceRequired:1b}
Named tagged mob
{Tags:["Viewer Spawn"],CustomName:'{"text":"$userDisplayName","color":"gold"}',CustomNameVisible:1b,PersistenceRequired:1b}