{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950285,-0.311381,0.000000,0.000000,0.174078,-0.531256,0.829134,0.000000,-0.257633,0.786254,0.561631,0.000000,-1644956.892508,5020139.308503,3561943.676794,1],    "boundingVolume": {    "region": [1.887367,0.596263,1.887519,0.596449,0.000000,8.719424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1331531.b3dm"}}}