{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949028,-0.315192,0.000000,0.000000,0.115944,-0.349101,0.929885,0.000000,-0.292824,0.881680,0.369992,0.000000,-1868529.897378,5626054.529851,2345138.164836,1],    "boundingVolume": {    "region": [1.891401,0.378943,1.891509,0.379058,0.000000,28.198038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/13_6129.b3dm"}}}