{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948805,-0.315862,0.000000,0.000000,0.176271,-0.529494,0.829798,0.000000,-0.261552,0.785664,0.560646,0.000000,-1669970.328021,5016349.980019,3555679.552234,1],    "boundingVolume": {    "region": [1.892114,0.595054,1.892210,0.595277,0.000000,8.751269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1179053.b3dm"}}}