{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895645,-0.444770,0.000000,0.000000,0.284227,-0.572355,0.769171,0.000000,-0.341164,0.687010,0.641580,0.000000,-2178991.965131,4387891.849214,4070304.037381,1],    "boundingVolume": {    "region": [2.031653,0.696498,2.031775,0.696615,0.000000,52.620398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_686912.b3dm"}}}