{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950754,-0.309948,0.000000,0.000000,0.173309,-0.531619,0.829063,0.000000,-0.256425,0.786573,0.561737,0.000000,-1637242.183422,5022180.258515,3562616.425156,1],    "boundingVolume": {    "region": [1.885852,0.596399,1.886017,0.596569,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386094.b3dm"}}}