{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950239,-0.311522,0.000000,0.000000,0.174212,-0.531400,0.829014,0.000000,-0.257712,0.786100,0.561810,0.000000,-1645458.941923,5019161.802218,3563081.482211,1],    "boundingVolume": {    "region": [1.887515,0.596480,1.887667,0.596665,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398841.b3dm"}}}