{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949129,-0.314888,0.000000,0.000000,0.116125,-0.350022,0.929516,0.000000,-0.292424,0.881420,0.370927,0.000000,-1865982.309393,5624408.361032,2351067.736261,1],    "boundingVolume": {    "region": [1.891081,0.379949,1.891189,0.380065,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1829.b3dm"}}}