VillagerGolem handitems do not render

What's the golem's data structure like when holding a rose on its own?

The only difference between normal and holding one in entitydata is that the holding one was watching at baby, lower.
Proposing:

The data tag did not change: 
{HurtByTimestamp:0,Attributes:[
0:{Base:100.0d,Name:"generic.maxHealth"},
1:{Base:0.0d,Name:"generic.knockbackResistance"},
2:{Base:0.25d,Name:"generic.movementSpeed"},
3:{Base:0.0d,Name:"generic.armor"},
4:{Base:16.0d,Modifiers:[0:{UUIDMost:294348448248319811L,UUIDLeast:-5394833631841236794L,Amount:0.04702122052754995d,Operation:1,Name:"Random spawn bonus"}],
Name:"generic.followRange"}],Invulnerable:0b,PortalCooldown:0,AbsorptionAmount:0.0f,
FallDistance:0.0f,DeathTime:0s,HandDropChances:[0:0.085f,1:0.085f],
PersistenceRequired:0b,
Motion:[0:0.0d,1:-0.0784000015258789d,2:0.0d],
Leashed:0b,UUIDLeast:-8359644604986363226L,
Health:100.0f,PlayerCreated:0b,LeftHanded:0b,Air:300s,OnGround:1b,Dimension:0,
Rotation:[0:216.80193f,1:24.384115f],HandItems:[0:{},1:{}],
ArmorDropChances:[0:0.085f,1:0.085f,2:0.085f,3:0.085f],
UUIDMost:-7988804788026978436L,
Pos:[0:-129.62780997420487d,1:73.0d,2:273.0731197058597d],
Fire:-1s,ArmorItems:[0:{},1:{},2:{},3:{}],CanPickUpLoot:0b,HurtTime:0s}

After:

The data tag did not change: 
{HurtByTimestamp:0,Attributes:[
0:{Base:100.0d,Name:"generic.maxHealth"},
1:{Base:0.0d,Name:"generic.knockbackResistance"},
2:{Base:0.25d,Name:"generic.movementSpeed"},
3:{Base:0.0d,Name:"generic.armor"},
4:{Base:16.0d,Modifiers:[0:{UUIDMost:294348448248319811L,UUIDLeast:-5394833631841236794L,Amount:0.04702122052754995d,Operation:1,Name:"Random spawn bonus"}],
Name:"generic.followRange"}],Invulnerable:0b,PortalCooldown:0,AbsorptionAmount:0.0f,
FallDistance:0.0f,DeathTime:0s,HandDropChances:[0:0.085f,1:0.085f],
PersistenceRequired:0b,
Motion:[0:-0.029639107234806932d,1:-0.0784000015258789d,2:0.019106879134462754d],
Leashed:0b,UUIDLeast:-8359644604986363226L,
Health:100.0f,PlayerCreated:0b,LeftHanded:0b,Air:300s,OnGround:1b,Dimension:0,
Rotation:[0:7.4096527f,1:0.0f],HandItems:[0:{},1:{}],
ArmorDropChances:[0:0.085f,1:0.085f,2:0.085f,3:0.085f],
UUIDMost:-7988804788026978436L,
Pos:[0:-135.71859873350022d,1:73.0d,2:275.1277471063404d],
Fire:-1s,ArmorItems:[0:{},1:{},2:{},3:{}],CanPickUpLoot:0b,HurtTime:0s}

Iron golems holding out roses is protocol-based which makes this a feature request, sorry.