{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949222,-0.314608,0.000000,0.000000,0.115921,-0.349752,0.929643,0.000000,-0.292205,0.881628,0.370605,0.000000,-1864583.135780,5625731.499055,2349024.995141,1],    "boundingVolume": {    "region": [1.890786,0.379603,1.890895,0.379718,0.000000,11.726495]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75105.b3dm"}}}