{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949408,-0.314044,0.000000,0.000000,0.175530,-0.530656,0.829212,0.000000,-0.259861,0.785603,0.561516,0.000000,-1659181.513969,5015980.572045,3561209.828929,1],    "boundingVolume": {    "region": [1.890197,0.596176,1.890296,0.596257,0.000000,8.582544]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1443494.b3dm"}}}