{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950629,-0.310328,0.000000,0.000000,0.173619,-0.531848,0.828851,0.000000,-0.256673,0.786268,0.562051,0.000000,-1638831.469195,5020235.010047,3564613.337919,1],    "boundingVolume": {    "region": [1.886252,0.596779,1.886417,0.596948,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396197.b3dm"}}}