{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949109,-0.314947,0.000000,0.000000,0.176142,-0.530814,0.828982,0.000000,-0.260534,0.785135,0.561858,0.000000,-1663483.114074,5013000.548950,3563383.907965,1],    "boundingVolume": {    "region": [1.891146,0.596619,1.891247,0.596641,0.000000,11.992885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/10_1421130.b3dm"}}}