{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895910,-0.444236,0.000000,0.000000,0.283910,-0.572575,0.769125,0.000000,-0.340733,0.687171,0.641636,0.000000,-2176242.239847,4388925.654950,4070658.141111,1],    "boundingVolume": {    "region": [2.031063,0.696575,2.031172,0.696683,0.000000,39.250883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_618878.b3dm"}}}