{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950458,-0.310853,0.000000,0.000000,0.173992,-0.531993,0.828680,0.000000,-0.257054,0.785962,0.562306,0.000000,-1641262.981395,5018285.028584,3566229.092026,1],    "boundingVolume": {    "region": [1.886838,0.597122,1.886936,0.597221,0.000000,8.741417]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1384379.b3dm"}}}