{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894712,-0.446643,0.000000,0.000000,0.284501,-0.569910,0.770884,0.000000,-0.343369,0.687835,0.639516,0.000000,-2193059.740055,4393121.926808,4057174.350955,1],    "boundingVolume": {    "region": [2.033739,0.693807,2.033873,0.693931,0.000000,10.454298]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_984518.b3dm"}}}