{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950067,-0.312046,0.000000,0.000000,0.174016,-0.529817,0.830068,0.000000,-0.258476,0.786967,0.560244,0.000000,-1650331.336576,5024664.585032,3553125.350355,1],    "boundingVolume": {    "region": [1.888060,0.594614,1.888224,0.594746,0.000000,12.501222]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1459330.b3dm"}}}