{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950481,-0.310784,0.000000,0.000000,0.173656,-0.531099,0.829323,0.000000,-0.257198,0.786597,0.561351,0.000000,-1642176.016145,5022320.742684,3560163.249169,1],    "boundingVolume": {    "region": [1.886756,0.595960,1.886872,0.596075,0.000000,8.564115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/15_1426668.b3dm"}}}