{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896617,-0.442806,0.000000,0.000000,0.282857,-0.572744,0.769387,0.000000,-0.339753,0.687950,0.641321,0.000000,-2169981.531502,4393894.470573,4068653.083580,1],    "boundingVolume": {    "region": [2.029431,0.696162,2.029614,0.696275,0.000000,61.717722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_491701.b3dm"}}}