{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897670,-0.440669,0.000000,0.000000,0.285386,-0.581349,0.761963,0.000000,-0.334825,0.682059,0.650144,0.000000,-2138590.290658,4356436.806245,4124785.652733,1],    "boundingVolume": {    "region": [2.027064,0.707660,2.027216,0.707887,0.000000,9.896816]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/0_1795672.b3dm"}}}