{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949068,-0.315072,0.000000,0.000000,0.175669,-0.529153,0.830143,0.000000,-0.261007,0.786211,0.560132,0.000000,-1666490.457508,5019836.847407,3552411.747137,1],    "boundingVolume": {    "region": [1.891282,0.594449,1.891377,0.594640,0.000000,11.488188]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/26_1462047.b3dm"}}}