{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949603,-0.313454,0.000000,0.000000,0.175241,-0.530888,0.829125,0.000000,-0.259345,0.785681,0.561645,0.000000,-1655886.709573,5016481.563383,3562032.046199,1],    "boundingVolume": {    "region": [1.889575,0.596332,1.889674,0.596414,0.000000,9.548156]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/14_1409553.b3dm"}}}