{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948959,-0.315401,0.000000,0.000000,0.175874,-0.529159,0.830096,0.000000,-0.261264,0.786075,0.560202,0.000000,-1668131.599394,5018970.769834,3552862.149233,1],    "boundingVolume": {    "region": [1.891628,0.594535,1.891723,0.594725,0.000000,8.725880]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/26_1092557.b3dm"}}}