{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898469,-0.439036,0.000000,0.000000,0.283824,-0.580835,0.762938,0.000000,-0.334015,0.683547,0.648997,0.000000,-2133402.246824,4365918.491700,4117489.843285,1],    "boundingVolume": {    "region": [2.025272,0.706228,2.025373,0.706303,0.000000,17.966009]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1817714.b3dm"}}}