{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949544,-0.313634,0.000000,0.000000,0.174922,-0.529586,0.830025,0.000000,-0.259778,0.786492,0.560308,0.000000,-1658645.891554,5021634.003557,3553535.362284,1],    "boundingVolume": {    "region": [1.889733,0.594625,1.889895,0.594891,0.000000,8.598131]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1379968.b3dm"}}}