{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949077,-0.315045,0.000000,0.000000,0.116194,-0.350036,0.929502,0.000000,-0.292566,0.881358,0.370962,0.000000,-1866882.987685,5624016.027295,2351289.750362,1],    "boundingVolume": {    "region": [1.891246,0.379987,1.891354,0.380102,0.000000,71.898350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_2251.b3dm"}}}