{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897869,-0.440263,0.000000,0.000000,0.282821,-0.576783,0.766377,0.000000,-0.336470,0.686194,0.644924,0.000000,-2149042.727058,4382742.940623,4091574.934861,1],    "boundingVolume": {    "region": [2.026624,0.700889,2.026751,0.700958,0.000000,8.526151]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_853194.b3dm"}}}