{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948810,-0.315847,0.000000,0.000000,0.176359,-0.529786,0.829593,0.000000,-0.261474,0.785471,0.560951,0.000000,-1669476.157095,5015129.682742,3557619.390394,1],    "boundingVolume": {    "region": [1.892098,0.595422,1.892194,0.595646,0.000000,8.711555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1071091.b3dm"}}}