{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949168,-0.314769,0.000000,0.000000,0.176032,-0.530816,0.829004,0.000000,-0.260394,0.785205,0.561825,0.000000,-1662588.514303,5013446.801285,3563175.000840,1],    "boundingVolume": {    "region": [1.890959,0.596579,1.891060,0.596601,0.000000,7.957003]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/8_1418600.b3dm"}}}