{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949014,-0.315233,0.000000,0.000000,0.175987,-0.529813,0.829654,0.000000,-0.260985,0.785700,0.560859,0.000000,-1666351.018310,5016585.732556,3557035.558816,1],    "boundingVolume": {    "region": [1.891429,0.595370,1.891567,0.595476,0.000000,7.961113]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1072324.b3dm"}}}