{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310483,0.000000,0.000000,0.173831,-0.532203,0.828579,0.000000,-0.256716,0.785965,0.562455,0.000000,-1639105.650391,5018311.272115,3567177.843933,1],    "boundingVolume": {    "region": [1.886448,0.597302,1.886546,0.597401,0.000000,15.719238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/14_1385239.b3dm"}}}