{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950891,-0.309526,0.000000,0.000000,0.173179,-0.532021,0.828832,0.000000,-0.256004,0.786466,0.562080,0.000000,-1634555.228131,5021499.230613,3564794.853978,1],    "boundingVolume": {    "region": [1.885408,0.596814,1.885573,0.596983,0.000000,7.771156]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1323732.b3dm"}}}