{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949117,-0.314923,0.000000,0.000000,0.116148,-0.350048,0.929503,0.000000,-0.292453,0.881397,0.370959,0.000000,-1866167.063785,5624261.515280,2351271.006702,1],    "boundingVolume": {    "region": [1.891118,0.379984,1.891226,0.380099,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_2215.b3dm"}}}