{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949736,-0.313051,0.000000,0.000000,0.174986,-0.530873,0.829189,0.000000,-0.259032,0.785852,0.561551,0.000000,-1653888.339942,5017570.347597,3561430.947338,1],    "boundingVolume": {    "region": [1.889124,0.596174,1.889277,0.596343,0.000000,18.428142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_1439247.b3dm"}}}