{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311988,0.000000,0.000000,0.174450,-0.531245,0.829063,0.000000,-0.258113,0.786021,0.561737,0.000000,-1648019.050941,5018654.658266,3562615.748336,1],    "boundingVolume": {    "region": [1.888012,0.596380,1.888150,0.596588,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398189.b3dm"}}}