{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948981,-0.315332,0.000000,0.000000,0.175957,-0.529537,0.829837,0.000000,-0.261125,0.785847,0.560587,0.000000,-1667247.468981,5017522.638223,3555305.259266,1],    "boundingVolume": {    "region": [1.891556,0.594999,1.891650,0.595189,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1075261.b3dm"}}}