{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950560,-0.310541,0.000000,0.000000,0.173836,-0.532107,0.828639,0.000000,-0.256783,0.786008,0.562365,0.000000,-1639535.755704,5018578.911322,3566607.459039,1],    "boundingVolume": {    "region": [1.886510,0.597194,1.886608,0.597293,0.000000,12.701871]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1325105.b3dm"}}}