{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891144,-0.453720,0.000000,0.000000,0.292077,-0.573664,0.765246,0.000000,-0.346239,0.680041,0.646268,0.000000,-2211451.623398,4343471.776330,4100130.253746,1],    "boundingVolume": {    "region": [2.041684,0.702641,2.041780,0.702728,0.000000,7.197069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_2045632.b3dm"}}}