{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949890,-0.312583,0.000000,0.000000,0.174737,-0.530998,0.829161,0.000000,-0.258636,0.785953,0.561592,0.000000,-1651359.752995,5018215.221236,3561693.917514,1],    "boundingVolume": {    "region": [1.888622,0.596206,1.888793,0.596411,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1441902.b3dm"}}}