{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949363,-0.314181,0.000000,0.000000,0.175197,-0.529395,0.830088,0.000000,-0.260252,0.786403,0.560213,0.000000,-1661667.107931,5021066.169675,3552930.304837,1],    "boundingVolume": {    "region": [1.890310,0.594510,1.890472,0.594776,0.000000,8.636152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1380473.b3dm"}}}