{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950067,-0.312047,0.000000,0.000000,0.117612,-0.358085,0.926252,0.000000,-0.288757,0.879157,0.379082,0.000000,-1842616.778554,5610081.000576,2402805.827256,1],    "boundingVolume": {    "region": [1.888142,0.388803,1.888144,0.388805,0.000000,2.824340]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/30.b3dm"}}}