{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950122,-0.311879,0.000000,0.000000,0.114775,-0.349657,0.929821,0.000000,-0.289726,0.882635,0.370154,0.000000,-1848761.058847,5632150.520786,2346166.470849,1],    "boundingVolume": {    "region": [1.887892,0.379136,1.888040,0.379214,0.000000,10.094715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/16_4864.b3dm"}}}