{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950044,-0.312115,0.000000,0.000000,0.174039,-0.529756,0.830102,0.000000,-0.258544,0.786981,0.560193,0.000000,-1650763.543931,5024752.082541,3552802.997147,1],    "boundingVolume": {    "region": [1.888132,0.594553,1.888296,0.594684,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1377778.b3dm"}}}