{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950488,-0.310762,0.000000,0.000000,0.173962,-0.532075,0.828633,0.000000,-0.256964,0.785942,0.562374,0.000000,-1640688.361509,5018160.364108,3566665.949992,1],    "boundingVolume": {    "region": [1.886742,0.597205,1.886840,0.597304,0.000000,6.768608]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1325081.b3dm"}}}