{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897862,-0.440277,0.000000,0.000000,0.282822,-0.576761,0.766393,0.000000,-0.336488,0.686203,0.644904,0.000000,-2149159.099109,4382802.496767,4091450.850022,1],    "boundingVolume": {    "region": [2.026640,0.700863,2.026767,0.700932,0.000000,7.400151]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_853013.b3dm"}}}