{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948822,-0.315813,0.000000,0.000000,0.176339,-0.529788,0.829596,0.000000,-0.261446,0.785484,0.560946,0.000000,-1669299.998225,5015210.944605,3557587.710362,1],    "boundingVolume": {    "region": [1.892062,0.595416,1.892157,0.595640,0.000000,8.793842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181471.b3dm"}}}