{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949088,-0.315010,0.000000,0.000000,0.175833,-0.529765,0.829718,0.000000,-0.260820,0.785822,0.560765,0.000000,-1665302.254437,5017361.358175,3556436.728873,1],    "boundingVolume": {    "region": [1.891195,0.595256,1.891332,0.595362,0.000000,8.805649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1374892.b3dm"}}}