{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949618,-0.313410,0.000000,0.000000,0.174986,-0.530200,0.829619,0.000000,-0.259464,0.786166,0.560912,0.000000,-1656644.758888,5019560.456788,3557370.517398,1],    "boundingVolume": {    "region": [1.889529,0.595446,1.889627,0.595528,0.000000,18.033740]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/2_1367519.b3dm"}}}