{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311568,0.000000,0.000000,0.174233,-0.531377,0.829024,0.000000,-0.257753,0.786098,0.561794,0.000000,-1645723.532899,5019147.229900,3562980.488781,1],    "boundingVolume": {    "region": [1.887563,0.596461,1.887715,0.596646,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398644.b3dm"}}}