{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895732,-0.444595,0.000000,0.000000,0.284187,-0.572557,0.769036,0.000000,-0.340968,0.686955,0.641743,0.000000,-2177747.329652,4387542.395214,4071339.741404,1],    "boundingVolume": {    "region": [2.031457,0.696710,2.031579,0.696828,0.000000,24.399321]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_663568.b3dm"}}}