{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950771,-0.309893,0.000000,0.000000,0.173165,-0.531281,0.829310,0.000000,-0.256456,0.786824,0.561371,0.000000,-1637441.743833,5023775.860049,3560289.964849,1],    "boundingVolume": {    "region": [1.885804,0.595932,1.885950,0.596151,0.000000,7.924879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1339488.b3dm"}}}