{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949579,-0.313528,0.000000,0.000000,0.115556,-0.349985,0.929601,0.000000,-0.291188,0.881920,0.370712,0.000000,-1858092.709604,5627593.252509,2349703.762131,1],    "boundingVolume": {    "region": [1.889648,0.379718,1.889756,0.379833,0.000000,19.615959]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/20_74342.b3dm"}}}