{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310471,0.000000,0.000000,0.173614,-0.531561,0.829037,0.000000,-0.256849,0.786407,0.561776,0.000000,-1639952.373259,5021117.764651,3562865.832286,1],    "boundingVolume": {    "region": [1.886436,0.596482,1.886534,0.596581,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390407.b3dm"}}}