{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949899,-0.312556,0.000000,0.000000,0.174737,-0.531048,0.829129,0.000000,-0.258603,0.785930,0.561639,0.000000,-1651152.693170,5018071.020427,3561991.065990,1],    "boundingVolume": {    "region": [1.888594,0.596263,1.888765,0.596468,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1403158.b3dm"}}}