{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949832,-0.312761,0.000000,0.000000,0.174582,-0.530194,0.829708,0.000000,-0.258955,0.786428,0.560779,0.000000,-1653393.964390,5021234.290166,3556526.270531,1],    "boundingVolume": {    "region": [1.888813,0.595261,1.888977,0.595392,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355868.b3dm"}}}