seems that Absorption hearts does not appear above the fox Hearts after the fox has eaten enchanted golden apple

The fox
/summon minecraft:fox 1805.30 29.50 674.59 {Brain: {memories: {}}, HurtByTimestamp: 36494, Crouching: 0b, Sitting: 0b, Attributes: [\{Base: 0.30000001192092896d, Name: "minecraft:generic.movement_speed"}, \{Base: 2.0d, Name: "minecraft:generic.attack_damage"}], Invulnerable: 0b, FallFlying: 0b, ForcedAge: 8900, PortalCooldown: 0, AbsorptionAmount: 16.0f, FallDistance: 0.0f, InLove: 0, DeathTime: 0s, HandDropChances: [2.0f, 0.085f], PersistenceRequired: 0b, Age: 0, Motion: [0.0d, -0.0784000015258789d, 0.0d], Health: 10.0f, LeftHanded: 0b, Air: 300s, OnGround: 1b, Rotation: [226.31526f, -20.856474f], Trusted: [[I; 675726068, 145506630, -2025417423, 1183802846]], HandItems: [{}, {}], ArmorDropChances: [0.085f, 0.085f, 0.085f, 0.085f], Type: "red", Sleeping: 0b, Fire: -1s, ArmorItems: [{}, {}, {}, {}], CanPickUpLoot: 1b, HurtTime: 0s, ActiveEffects: [\{Ambient: 0b, ShowIcon: 1b, ShowParticles: 1b, Duration: 5868, Id: 11, Amplifier: 0b}, \{Ambient: 0b, ShowIcon: 1b, ShowParticles: 1b, Duration: 5868, Id: 12, Amplifier: 0b}, \{Ambient: 0b, ShowIcon: 1b, ShowParticles: 1b, Duration: 268, Id: 10, Amplifier: 1b}, \{Ambient: 0b, ShowIcon: 1b, ShowParticles: 1b, Duration: 2268, Id: 22, Amplifier: 3b}]}