{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949033,-0.315177,0.000000,0.000000,0.175817,-0.529405,0.829951,0.000000,-0.261033,0.785999,0.560418,0.000000,-1666658.378841,5018485.073100,3554230.151136,1],    "boundingVolume": {    "region": [1.891393,0.594795,1.891487,0.594985,0.000000,12.957806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/28_1177289.b3dm"}}}