{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948829,-0.315789,0.000000,0.000000,0.176337,-0.529829,0.829570,0.000000,-0.261418,0.785466,0.560985,0.000000,-1669120.688990,5015094.372904,3557834.501718,1],    "boundingVolume": {    "region": [1.892036,0.595463,1.892132,0.595686,0.000000,8.815559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1181785.b3dm"}}}