{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896457,-0.443130,0.000000,0.000000,0.282980,-0.572472,0.769544,0.000000,-0.340072,0.687969,0.641131,0.000000,-2172015.232204,4394011.417316,4067449.553363,1],    "boundingVolume": {    "region": [2.029792,0.695915,2.029975,0.696028,0.000000,42.471933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_516340.b3dm"}}}