{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950059,-0.312070,0.000000,0.000000,0.174019,-0.529779,0.830091,0.000000,-0.258504,0.786982,0.560209,0.000000,-1650508.369791,5024763.026124,3552905.382212,1],    "boundingVolume": {    "region": [1.888086,0.594573,1.888250,0.594704,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1377393.b3dm"}}}