{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943184,-0.332270,0.000000,0.000000,0.186222,-0.528611,0.828186,0.000000,-0.274599,0.779478,0.563036,0.000000,-1753290.255617,4976902.792730,3570869.280044,1],    "boundingVolume": {    "region": [1.909443,0.598015,1.909568,0.598094,0.000000,8.115464]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1249028.b3dm"}}}