{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950426,-0.310951,0.000000,0.000000,0.173506,-0.530324,0.829850,0.000000,-0.257501,0.787056,0.560568,0.000000,-1644105.648399,5025240.027894,3555183.280616,1],    "boundingVolume": {    "region": [1.886898,0.594998,1.887081,0.595144,0.000000,8.576473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/14_1346172.b3dm"}}}