{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950371,-0.311118,0.000000,0.000000,0.173954,-0.531376,0.829084,0.000000,-0.257400,0.786277,0.561706,0.000000,-1643466.917008,5020286.958994,3562420.115271,1],    "boundingVolume": {    "region": [1.887090,0.596354,1.887242,0.596539,0.000000,8.765474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1397985.b3dm"}}}