Message: `Mesh`

Fields:

aabb_min: Vector3
aabb_max: Vector3
positions: float
normals: float
tangents: float
colors: float
texcoord0: float
num_texcoord0_components: int
texcoord1: float
num_texcoord1_components: int
indices: bytes
indices_format: int
weights: float
bone_indices: int
material_index: int