{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948546,-0.316638,0.000000,0.000000,0.117311,-0.351425,0.928837,0.000000,-0.293833,0.880229,0.372639,0.000000,-1874978.882295,5616830.252015,2361928.455869,1],    "boundingVolume": {    "region": [1.892896,0.381745,1.893064,0.381957,0.000000,19.694840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_65637.b3dm"}}}