{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950319,-0.311277,0.000000,0.000000,0.116212,-0.354792,0.927695,0.000000,-0.288498,0.880776,0.375502,0.000000,-1840950.234732,5620365.603609,2380093.715379,1],    "boundingVolume": {    "region": [1.887279,0.384848,1.887387,0.385029,0.000000,9.332493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/7_61748.b3dm"}}}