{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950554,-0.310559,0.000000,0.000000,0.173854,-0.532128,0.828622,0.000000,-0.256792,0.785986,0.562391,0.000000,-1639592.838909,5018442.886490,3566771.506733,1],    "boundingVolume": {    "region": [1.886528,0.597225,1.886626,0.597324,0.000000,12.701871]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1325052.b3dm"}}}