{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949218,-0.314618,0.000000,0.000000,0.115902,-0.349683,0.929671,0.000000,-0.292223,0.881652,0.370534,0.000000,-1864697.845354,5625883.537451,2348572.818064,1],    "boundingVolume": {    "region": [1.890797,0.379526,1.890905,0.379641,0.000000,23.852436]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/18_7581.b3dm"}}}