{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950612,-0.310383,0.000000,0.000000,0.173279,-0.530703,0.829656,0.000000,-0.256970,0.787023,0.560857,0.000000,-1640720.006912,5025037.005581,3557021.467750,1],    "boundingVolume": {    "region": [1.886335,0.595363,1.886450,0.595478,0.000000,8.777474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1451063.b3dm"}}}