{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950979,-0.309254,0.000000,0.000000,0.171378,-0.527002,0.832405,0.000000,-0.256892,0.789962,0.556747,0.000000,-1640193.138547,5043719.241368,3530902.312448,1],    "boundingVolume": {    "region": [1.885120,0.590403,1.885290,0.590526,0.000000,7.729832]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/17_1322921.b3dm"}}}