{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950073,-0.312027,0.000000,0.000000,0.174425,-0.531098,0.829163,0.000000,-0.258176,0.786106,0.561589,0.000000,-1648422.397021,5019192.444103,3561677.721261,1],    "boundingVolume": {    "region": [1.888053,0.596201,1.888191,0.596410,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1433028.b3dm"}}}