{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949966,-0.312353,0.000000,0.000000,0.174713,-0.531358,0.828935,0.000000,-0.258374,0.785800,0.561926,0.000000,-1649690.090377,5017244.936210,3563819.632978,1],    "boundingVolume": {    "region": [1.888396,0.596609,1.888534,0.596817,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1407336.b3dm"}}}