{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951647,-0.307194,0.000000,0.000000,0.170549,-0.528338,0.831728,0.000000,-0.254971,0.789867,0.557763,0.000000,-1627935.661237,5043134.718959,3537360.386865,1],    "boundingVolume": {    "region": [1.882985,0.591645,1.883093,0.591732,0.000000,6.347177]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/39/43_1383013.b3dm"}}}