{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943289,-0.331972,0.000000,0.000000,0.186220,-0.529140,0.827849,0.000000,-0.274240,0.779244,0.563534,0.000000,-1751001.692044,4975418.175462,3574038.331918,1],    "boundingVolume": {    "region": [1.909118,0.598609,1.909262,0.598707,0.000000,7.412736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_545011.b3dm"}}}