{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948575,-0.316554,0.000000,0.000000,0.116098,-0.347897,0.930317,0.000000,-0.294228,0.881673,0.368894,0.000000,-1877479.980792,5625994.830351,2338169.711390,1],    "boundingVolume": {    "region": [1.892838,0.377779,1.892943,0.377858,0.000000,7.475171]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/12_17681.b3dm"}}}