{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310481,0.000000,0.000000,0.173638,-0.531614,0.828997,0.000000,-0.256845,0.786366,0.561835,0.000000,-1639929.357725,5020859.427902,3563237.961019,1],    "boundingVolume": {    "region": [1.886447,0.596553,1.886545,0.596652,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1392409.b3dm"}}}