{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950294,-0.311354,0.000000,0.000000,0.174010,-0.531102,0.829247,0.000000,-0.257646,0.786369,0.561464,0.000000,-1645038.122449,5020871.810522,3560880.716375,1],    "boundingVolume": {    "region": [1.887338,0.596061,1.887490,0.596247,0.000000,8.662975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431647.b3dm"}}}