{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894821,-0.446425,0.000000,0.000000,0.284389,-0.570033,0.770834,0.000000,-0.343179,0.687874,0.639576,0.000000,-2191846.625616,4393372.477569,4057556.009693,1],    "boundingVolume": {    "region": [2.033496,0.693885,2.033629,0.694009,0.000000,48.259161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_982844.b3dm"}}}