{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942099,-0.335334,0.000000,0.000000,0.187733,-0.527423,0.828602,0.000000,-0.277272,0.778976,0.562420,0.000000,-1770351.366133,4973685.014434,3566959.077875,1],    "boundingVolume": {    "region": [1.912694,0.597279,1.912819,0.597341,0.000000,8.588381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/9_1265371.b3dm"}}}