{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950154,-0.311780,0.000000,0.000000,0.173825,-0.529736,0.830159,0.000000,-0.258285,0.787127,0.560107,0.000000,-1649107.451691,5025683.288682,3552258.587009,1],    "boundingVolume": {    "region": [1.887780,0.594450,1.887944,0.594581,0.000000,8.674643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458224.b3dm"}}}