{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950153,-0.311784,0.000000,0.000000,0.174231,-0.530965,0.829289,0.000000,-0.258014,0.786292,0.561402,0.000000,-1647390.601278,5020379.852298,3560489.399613,1],    "boundingVolume": {    "region": [1.887797,0.595975,1.887935,0.596184,0.000000,8.798324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431168.b3dm"}}}