{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898446,-0.439083,0.000000,0.000000,0.283947,-0.581007,0.762761,0.000000,-0.333973,0.683370,0.649205,0.000000,-2133134.815488,4364790.620652,4118815.020202,1],    "boundingVolume": {    "region": [2.025324,0.706502,2.025425,0.706576,0.000000,7.725937]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1818859.b3dm"}}}