{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949359,-0.314193,0.000000,0.000000,0.175204,-0.529392,0.830089,0.000000,-0.260262,0.786400,0.560213,0.000000,-1661731.055470,5021047.122257,3552927.334813,1],    "boundingVolume": {    "region": [1.890322,0.594510,1.890484,0.594775,0.000000,8.636152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1380484.b3dm"}}}