{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949365,-0.314175,0.000000,0.000000,0.175192,-0.529389,0.830093,0.000000,-0.260248,0.786410,0.560206,0.000000,-1661644.362358,5021107.157327,3552883.334133,1],    "boundingVolume": {    "region": [1.890303,0.594501,1.890465,0.594767,0.000000,8.691662]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1380560.b3dm"}}}