{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949234,-0.314570,0.000000,0.000000,0.175710,-0.530217,0.829455,0.000000,-0.260373,0.785691,0.561155,0.000000,-1662445.749391,5016536.503326,3558919.134189,1],    "boundingVolume": {    "region": [1.890731,0.595728,1.890868,0.595834,0.000000,9.160634]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1363784.b3dm"}}}