{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949140,-0.314854,0.000000,0.000000,0.116079,-0.349925,0.929558,0.000000,-0.292407,0.881471,0.370819,0.000000,-1865868.422382,5624733.133195,2350385.652169,1],    "boundingVolume": {    "region": [1.891045,0.379834,1.891153,0.379949,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_77697.b3dm"}}}