{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950571,-0.310508,0.000000,0.000000,0.173530,-0.531234,0.829263,0.000000,-0.256950,0.786614,0.561440,0.000000,-1640596.638174,5022433.819101,3560728.039281,1],    "boundingVolume": {    "region": [1.886474,0.596076,1.886572,0.596174,0.000000,8.795990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1426855.b3dm"}}}