{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897819,-0.440365,0.000000,0.000000,0.282834,-0.576643,0.766478,0.000000,-0.336592,0.686246,0.644804,0.000000,-2149824.529988,4383077.771032,4090810.636607,1],    "boundingVolume": {    "region": [2.026738,0.700732,2.026865,0.700801,0.000000,33.870577]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_859691.b3dm"}}}