{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897654,-0.440700,0.000000,0.000000,0.285458,-0.581445,0.761863,0.000000,-0.334805,0.681958,0.650261,0.000000,-2138458.871502,4355789.807714,4125531.973858,1],    "boundingVolume": {    "region": [2.027099,0.707814,2.027251,0.708042,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796078.b3dm"}}}