{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949327,-0.314290,0.000000,0.000000,0.175540,-0.530227,0.829485,0.000000,-0.260150,0.785796,0.561111,0.000000,-1661025.594640,5017206.197734,3558640.062252,1],    "boundingVolume": {    "region": [1.890436,0.595675,1.890573,0.595781,0.000000,8.746050]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_1365037.b3dm"}}}