{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948990,-0.315306,0.000000,0.000000,0.175949,-0.529560,0.829824,0.000000,-0.261099,0.785842,0.560607,0.000000,-1667082.636003,5017486.612426,3555432.535416,1],    "boundingVolume": {    "region": [1.891528,0.595023,1.891623,0.595214,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074945.b3dm"}}}