{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948970,-0.315367,0.000000,0.000000,0.115879,-0.348690,0.930047,0.000000,-0.293039,0.881782,0.369580,0.000000,-1869896.054974,5626697.734338,2342522.263544,1],    "boundingVolume": {    "region": [1.891587,0.378522,1.891692,0.378592,0.000000,26.702444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_11742.b3dm"}}}