{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949866,-0.312658,0.000000,0.000000,0.174787,-0.531008,0.829144,0.000000,-0.258692,0.785916,0.561617,0.000000,-1651719.360511,5017982.809107,3561853.537266,1],    "boundingVolume": {    "region": [1.888701,0.596236,1.888872,0.596442,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1402024.b3dm"}}}