{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949173,-0.314755,0.000000,0.000000,0.175813,-0.530182,0.829456,0.000000,-0.260526,0.785641,0.561154,0.000000,-1663424.624676,5016218.186851,3558910.479021,1],    "boundingVolume": {    "region": [1.890926,0.595726,1.891063,0.595833,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363851.b3dm"}}}