{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948962,-0.315390,0.000000,0.000000,0.175843,-0.529086,0.830149,0.000000,-0.261272,0.786129,0.560123,0.000000,-1668179.759161,5019312.542497,3552360.061626,1],    "boundingVolume": {    "region": [1.891616,0.594439,1.891711,0.594630,0.000000,8.804649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/26_1092846.b3dm"}}}