Minecraft wiki entry for Entity_format, associated text: : The entity's root tag.
 limitedLife: The left time in ticks until this entity disapears. Only[needs testing] effects Evoker Fangs. For other entities, it is set to 0.
 LeasherID: The Unique ID of an entity that is leashing it with a lead. Set to -1 if there's no leasher.
 TradeTier: (May not exist) Trade tier of this trader entity.
 TradeExperience: (May not exist) Trade experiences of this trader entity.
 canPickupItems: True if this entity can pick up items.
 hasSetCanPickupItems: True if canPickupItems has been set by the game.
 persistingOffers: (May not exist) Unknown.
 persistingRiches: (May not exist) Unknown.
 Mainhand: The item being held in the mob's main hand.
: The item.
Tags common to item stack[show]
 Offhand: The item being held in the mob's off hand.
: The item.
Tags common to item stack[show]
 Armor: The list of items the mob is wearing as armor.
: The item on the head.
Tags common to item stack[show]
: The item on the chest.
Tags common to item stack[show]
: The item on the legs.
Tags common to item stack[show]
: The item on the feets.
Tags common to item stack[show]
 HurtTime: Number of ticks the mob turns red for after being hit. 0 when not recently hit.
 DeathTime: Number of ticks the mob has been dead for. Controls death animations. 0 when alive.
 Dead: True if dead.
 AttackTime: Number of ticks the mob attacks for. 0 when not attacking.
 Surface: True if it is naturally spawned on the surface.
 NaturalSpawn: True if it is naturally spawned.
 TargetID: The Unique ID of an entity that this entity is angry at.
 hasBoundOrigin: Whether this mob has bound origin. Only[needs testing] effects Vex. When a vex is idle, it wanders, selecting air blocks from within a 15×11×15[needs testing] cuboid range centered at BoundX, BoundY, BoundZ. when it summoned the vex, this value is set to 1, and the central spot is the location of the evoker. Or if an evoker was not involved, this value is 0.
 boundX: X of the bound origin.
 boundY: Y of the bound origin.
 boundZ: Z of the bound origin.
 Attributes: A list of Attributes for this mob. These are used for many purposes in internal calculations. Valid Attributes for a given mob are listed in the main article.
: An Attribute.
Tags common to attribute[show]
 ActiveEffects: (May not exist) The list of potion effects on this mob.
: An effect.
Tags common to mob effect[show]
 BodyRot: (May not exist) Unknown.
 WantsToBeJockey: (May not exist) Unknown.
Tags common to hide[show]
 IsPregnant: True if the turtle has eggs.
 TargetCaptainID: (May not exist) The Unique ID of a captain to follow. Used by pillager and vindicator.