{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951221,-0.308511,0.000000,0.000000,0.115689,-0.356700,0.927028,0.000000,-0.285727,0.880971,0.377161,0.000000,-1823275.724048,5621630.262925,2390617.875194,1],    "boundingVolume": {    "region": [1.884342,0.386677,1.884506,0.386780,0.000000,28.071914]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_28863.b3dm"}}}