{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950059,-0.312070,0.000000,0.000000,0.174169,-0.530235,0.829769,0.000000,-0.258402,0.786674,0.560689,0.000000,-1649862.536130,5022804.061217,3555953.450700,1],    "boundingVolume": {    "region": [1.888086,0.595152,1.888249,0.595283,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1454111.b3dm"}}}