{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949081,-0.315032,0.000000,0.000000,0.116173,-0.349990,0.929522,0.000000,-0.292560,0.881381,0.370911,0.000000,-1866850.710810,5624162.194897,2350967.903605,1],    "boundingVolume": {    "region": [1.891233,0.379932,1.891341,0.380048,0.000000,70.268280]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_1581.b3dm"}}}