{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950431,-0.310935,0.000000,0.000000,0.173686,-0.530903,0.829443,0.000000,-0.257360,0.786670,0.561174,0.000000,-1643211.456284,5022786.051334,3559036.460437,1],    "boundingVolume": {    "region": [1.886923,0.595745,1.887023,0.595862,0.000000,8.793385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1424916.b3dm"}}}