{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949985,-0.312296,0.000000,0.000000,0.174467,-0.530720,0.829396,0.000000,-0.258472,0.786256,0.561243,0.000000,-1650310.014072,5020145.194106,3559474.987045,1],    "boundingVolume": {    "region": [1.888319,0.595784,1.888491,0.595989,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433685.b3dm"}}}