{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949640,-0.313343,0.000000,0.000000,0.114499,-0.347008,0.930846,0.000000,-0.291411,0.883172,0.367542,0.000000,-1859502.269990,5635540.290307,2329590.807657,1],    "boundingVolume": {    "region": [1.889423,0.376239,1.889592,0.376489,0.000000,20.478320]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_29097.b3dm"}}}