{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896463,-0.443118,0.000000,0.000000,0.283066,-0.572666,0.769368,0.000000,-0.339984,0.687815,0.641343,0.000000,-2171456.230866,4393030.588752,4068798.164968,1],    "boundingVolume": {    "region": [2.029779,0.696192,2.029962,0.696304,0.000000,86.354986]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_516449.b3dm"}}}