{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949234,-0.314570,0.000000,0.000000,0.175925,-0.530867,0.828994,0.000000,-0.260226,0.785251,0.561840,0.000000,-1661516.588206,5013735.532993,3563268.112856,1],    "boundingVolume": {    "region": [1.890749,0.596597,1.890850,0.596619,0.000000,11.086840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1420051.b3dm"}}}