{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949137,-0.314865,0.000000,0.000000,0.116097,-0.349966,0.929540,0.000000,-0.292411,0.881451,0.370865,0.000000,-1865894.898357,5624603.413328,2350673.109316,1],    "boundingVolume": {    "region": [1.891056,0.379882,1.891165,0.379998,0.000000,72.367680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/21_1017.b3dm"}}}