{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943975,-0.330017,0.000000,0.000000,0.184283,-0.527120,0.829569,0.000000,-0.273196,0.781446,0.560986,0.000000,-1744321.786514,4989429.748558,3557843.956813,1],    "boundingVolume": {    "region": [1.907070,0.595519,1.907166,0.595634,0.000000,8.700933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1311686.b3dm"}}}