{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948973,-0.315359,0.000000,0.000000,0.175908,-0.529338,0.829974,0.000000,-0.261191,0.785971,0.560383,0.000000,-1667663.855203,5018308.045648,3554009.949611,1],    "boundingVolume": {    "region": [1.891584,0.594753,1.891678,0.594943,0.000000,9.698603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/27_1091549.b3dm"}}}