{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948919,-0.315519,0.000000,0.000000,0.116392,-0.350047,0.929473,0.000000,-0.292997,0.881184,0.371035,0.000000,-1869638.975189,5622905.838410,2351751.951204,1],    "boundingVolume": {    "region": [1.891746,0.380065,1.891855,0.380181,0.000000,5.326687]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/23_3573.b3dm"}}}