{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950582,-0.310474,0.000000,0.000000,0.173614,-0.531556,0.829039,0.000000,-0.256853,0.786409,0.561772,0.000000,-1639976.666700,5021129.306256,3562838.568301,1],    "boundingVolume": {    "region": [1.886439,0.596477,1.886537,0.596576,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390292.b3dm"}}}