{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949438,-0.313953,0.000000,0.000000,0.175103,-0.529535,0.830019,0.000000,-0.260041,0.786400,0.560316,0.000000,-1660321.266642,5021044.097760,3553586.196402,1],    "boundingVolume": {    "region": [1.890069,0.594635,1.890231,0.594900,0.000000,8.527212]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/11_1379870.b3dm"}}}