{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950797,-0.309813,0.000000,0.000000,0.173074,-0.531153,0.829411,0.000000,-0.256422,0.786942,0.561221,0.000000,-1637221.597380,5024526.829958,3559337.755252,1],    "boundingVolume": {    "region": [1.885720,0.595751,1.885866,0.595970,0.000000,8.807516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1422036.b3dm"}}}