{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950320,-0.311276,0.000000,0.000000,0.113934,-0.347837,0.930607,0.000000,-0.289413,0.883574,0.368154,0.000000,-1846755.915348,5638111.668999,2333478.861071,1],    "boundingVolume": {    "region": [1.887328,0.377018,1.887335,0.377028,0.000000,6.118456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13.b3dm"}}}