{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948754,-0.316017,0.000000,0.000000,0.176346,-0.529430,0.829823,0.000000,-0.261687,0.785645,0.560608,0.000000,-1670837.143750,5016231.075706,3555441.678757,1],    "boundingVolume": {    "region": [1.892276,0.595009,1.892372,0.595232,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178696.b3dm"}}}