{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949278,-0.314438,0.000000,0.000000,0.175396,-0.529515,0.829970,0.000000,-0.260426,0.786220,0.560390,0.000000,-1662783.088512,5019895.274014,3554054.976837,1],    "boundingVolume": {    "region": [1.890579,0.594724,1.890741,0.594990,0.000000,14.010678]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1379021.b3dm"}}}