{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897480,-0.441054,0.000000,0.000000,0.283277,-0.576426,0.766477,0.000000,-0.337119,0.685987,0.644804,0.000000,-2153189.162321,4381423.357332,4090813.313841,1],    "boundingVolume": {    "region": [2.027506,0.700732,2.027633,0.700801,0.000000,7.741972]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_859594.b3dm"}}}