{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950826,-0.309725,0.000000,0.000000,0.173313,-0.532054,0.828783,0.000000,-0.256153,0.786366,0.562152,0.000000,-1635510.474229,5020860.724369,3565252.968476,1],    "boundingVolume": {    "region": [1.885618,0.596901,1.885783,0.597070,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388453.b3dm"}}}