{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949469,-0.313860,0.000000,0.000000,0.175468,-0.530815,0.829124,0.000000,-0.259680,0.785569,0.561647,0.000000,-1658028.502194,5015765.236042,3562044.407106,1],    "boundingVolume": {    "region": [1.890002,0.596334,1.890101,0.596416,0.000000,10.479850]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1338107.b3dm"}}}