{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949918,-0.312498,0.000000,0.000000,0.174491,-0.530410,0.829589,0.000000,-0.258700,0.786386,0.560956,0.000000,-1651765.024728,5020967.581167,3557651.949163,1],    "boundingVolume": {    "region": [1.888536,0.595475,1.888700,0.595606,0.000000,8.381496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354473.b3dm"}}}