{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949344,-0.314238,0.000000,0.000000,0.175284,-0.529550,0.829971,0.000000,-0.260261,0.786276,0.560387,0.000000,-1661729.456344,5020256.473951,3554037.692200,1],    "boundingVolume": {    "region": [1.890369,0.594721,1.890531,0.594986,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1379053.b3dm"}}}