{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949876,-0.312626,0.000000,0.000000,0.174494,-0.530178,0.829737,0.000000,-0.258852,0.786492,0.560737,0.000000,-1652736.425148,5021641.663213,3556258.520061,1],    "boundingVolume": {    "region": [1.888671,0.595210,1.888835,0.595341,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356247.b3dm"}}}