{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948876,-0.315651,0.000000,0.000000,0.176487,-0.530538,0.829085,0.000000,-0.261150,0.785041,0.561705,0.000000,-1667410.000989,5012393.054033,3562409.578092,1],    "boundingVolume": {    "region": [1.891870,0.596391,1.892007,0.596498,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113754.b3dm"}}}