{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896564,-0.442914,0.000000,0.000000,0.283371,-0.573610,0.768553,0.000000,-0.339465,0.687157,0.642323,0.000000,-2168147.916386,4388847.788627,4075029.584082,1],    "boundingVolume": {    "region": [2.029559,0.697451,2.029727,0.697600,0.000000,41.453966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_500260.b3dm"}}}