{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896473,-0.443099,0.000000,0.000000,0.283024,-0.572611,0.769425,0.000000,-0.339995,0.687873,0.641276,0.000000,-2171523.060849,4393399.964081,4068366.557339,1],    "boundingVolume": {    "region": [2.029758,0.696103,2.029940,0.696216,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_513613.b3dm"}}}