{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950411,-0.310998,0.000000,0.000000,0.173856,-0.531305,0.829150,0.000000,-0.257321,0.786373,0.561608,0.000000,-1642961.351592,5020896.833720,3561797.943549,1],    "boundingVolume": {    "region": [1.886990,0.596279,1.887088,0.596378,0.000000,8.806407]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/3_1388618.b3dm"}}}