{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896886,-0.442263,0.000000,0.000000,0.282288,-0.572465,0.769803,0.000000,-0.339521,0.688531,0.640820,0.000000,-2168495.640136,4397595.371804,4065467.087633,1],    "boundingVolume": {    "region": [2.028825,0.695509,2.029008,0.695622,0.000000,45.106405]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_960057.b3dm"}}}