{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949654,-0.313300,0.000000,0.000000,0.115792,-0.350982,0.929195,0.000000,-0.290848,0.881600,0.371737,0.000000,-1855927.194588,5625570.252793,2356206.578879,1],    "boundingVolume": {    "region": [1.889393,0.380829,1.889531,0.380929,0.000000,6.601768]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/9_71469.b3dm"}}}