{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950694,-0.310130,0.000000,0.000000,0.173438,-0.531668,0.829004,0.000000,-0.256557,0.786468,0.561824,0.000000,-1638087.885514,5021508.707659,3563170.509220,1],    "boundingVolume": {    "region": [1.886043,0.596505,1.886209,0.596674,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1391904.b3dm"}}}