{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950531,-0.310628,0.000000,0.000000,0.173523,-0.530986,0.829423,0.000000,-0.257100,0.786735,0.561202,0.000000,-1641553.088224,5023198.652974,3559218.196048,1],    "boundingVolume": {    "region": [1.886593,0.595781,1.886708,0.595895,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425297.b3dm"}}}