{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948646,-0.316340,0.000000,0.000000,0.176509,-0.529318,0.829860,0.000000,-0.261967,0.785591,0.560554,0.000000,-1672620.520265,5015884.399488,3555094.572141,1],    "boundingVolume": {    "region": [1.892617,0.594943,1.892713,0.595166,0.000000,7.746537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1075426.b3dm"}}}