{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896546,-0.442950,0.000000,0.000000,0.283476,-0.573766,0.768397,0.000000,-0.339423,0.687003,0.642510,0.000000,-2167882.696792,4387867.899966,4076217.737565,1],    "boundingVolume": {    "region": [2.029599,0.697694,2.029767,0.697844,0.000000,18.210640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_503103.b3dm"}}}