{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949320,-0.314311,0.000000,0.000000,0.175335,-0.529567,0.829950,0.000000,-0.260315,0.786235,0.560420,0.000000,-1662073.133766,5019996.713662,3554242.514024,1],    "boundingVolume": {    "region": [1.890446,0.594759,1.890608,0.595025,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1457567.b3dm"}}}