{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951623,-0.307268,0.000000,0.000000,0.170623,-0.528427,0.831657,0.000000,-0.255010,0.789779,0.557870,0.000000,-1628186.569647,5042574.157514,3538039.400450,1],    "boundingVolume": {    "region": [1.883063,0.591773,1.883171,0.591861,0.000000,8.588036]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/40/44_1383079.b3dm"}}}