{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950153,-0.311785,0.000000,0.000000,0.173843,-0.529780,0.830127,0.000000,-0.258279,0.787095,0.560155,0.000000,-1649072.569304,5025479.154764,3552561.525850,1],    "boundingVolume": {    "region": [1.887786,0.594507,1.887950,0.594639,0.000000,8.783335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1458458.b3dm"}}}