{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950009,-0.312222,0.000000,0.000000,0.174501,-0.530961,0.829235,0.000000,-0.258360,0.786122,0.561483,0.000000,-1649597.781321,5019291.457258,3560998.513229,1],    "boundingVolume": {    "region": [1.888242,0.596074,1.888413,0.596279,0.000000,26.760285]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1435948.b3dm"}}}