{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949343,-0.314241,0.000000,0.000000,0.175287,-0.529555,0.829968,0.000000,-0.260263,0.786272,0.560393,0.000000,-1661737.743899,5020228.550156,3554073.022618,1],    "boundingVolume": {    "region": [1.890372,0.594727,1.890534,0.594993,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1378996.b3dm"}}}