{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897476,-0.441064,0.000000,0.000000,0.284854,-0.579621,0.763477,0.000000,-0.335796,0.683278,0.648361,0.000000,-2144774.218919,4364184.188683,4113445.791872,1],    "boundingVolume": {    "region": [2.027528,0.705395,2.027631,0.705465,0.000000,6.170929]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_1836820.b3dm"}}}