{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949593,-0.313486,0.000000,0.000000,0.116020,-0.351441,0.928993,0.000000,-0.290957,0.881349,0.372246,0.000000,-1856625.444495,5623976.622642,2359436.820386,1],    "boundingVolume": {    "region": [1.889589,0.381378,1.889727,0.381478,0.000000,4.437269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_67725.b3dm"}}}