{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949258,-0.314499,0.000000,0.000000,0.175326,-0.529189,0.830193,0.000000,-0.260548,0.786416,0.560058,0.000000,-1663559.803772,5021143.782184,3551941.448901,1],    "boundingVolume": {    "region": [1.890645,0.594322,1.890807,0.594588,0.000000,8.605786]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_1382078.b3dm"}}}