{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951630,-0.307245,0.000000,0.000000,0.170605,-0.528414,0.831669,0.000000,-0.254995,0.789796,0.557852,0.000000,-1628091.092611,5042684.206851,3537927.242262,1],    "boundingVolume": {    "region": [1.883039,0.591752,1.883147,0.591840,0.000000,6.340195]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/40/44_1321870.b3dm"}}}