{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892430,-0.451186,0.000000,0.000000,0.290948,-0.575485,0.764308,0.000000,-0.343880,0.680181,0.647380,0.000000,-2196394.268473,4344385.283899,4107202.331836,1],    "boundingVolume": {    "region": [2.038838,0.704107,2.038943,0.704176,0.000000,9.369109]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1974758.b3dm"}}}