{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948759,-0.316001,0.000000,0.000000,0.176339,-0.529441,0.829817,0.000000,-0.261672,0.785644,0.560617,0.000000,-1670740.778619,5016225.142768,3555494.974043,1],    "boundingVolume": {    "region": [1.892260,0.595019,1.892355,0.595242,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1074783.b3dm"}}}