{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897614,-0.440782,0.000000,0.000000,0.283152,-0.576616,0.766380,0.000000,-0.336867,0.686002,0.644920,0.000000,-2151584.451706,4381520.503901,4091548.563726,1],    "boundingVolume": {    "region": [2.027202,0.700884,2.027329,0.700952,0.000000,9.551320]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_860927.b3dm"}}}