{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897871,-0.440258,0.000000,0.000000,0.282690,-0.576524,0.766620,0.000000,-0.336573,0.686415,0.644634,0.000000,-2149702.476359,4384150.673374,4089732.205704,1],    "boundingVolume": {    "region": [2.026619,0.700510,2.026745,0.700579,0.000000,25.071962]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_852872.b3dm"}}}