{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949554,-0.313603,0.000000,0.000000,0.174871,-0.529490,0.830097,0.000000,-0.259775,0.786570,0.560200,0.000000,-1658625.467540,5022128.907565,3552850.045620,1],    "boundingVolume": {    "region": [1.889700,0.594495,1.889862,0.594761,0.000000,8.806500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1380620.b3dm"}}}