{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950061,-0.312064,0.000000,0.000000,0.173984,-0.529684,0.830159,0.000000,-0.258520,0.787050,0.560107,0.000000,-1650610.185804,5025189.699652,3552258.922895,1],    "boundingVolume": {    "region": [1.888079,0.594450,1.888243,0.594581,0.000000,9.930278]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1378375.b3dm"}}}