{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949098,-0.314981,0.000000,0.000000,0.115984,-0.349483,0.929736,0.000000,-0.292581,0.881603,0.370369,0.000000,-1866977.216750,5625567.286807,2347526.316785,1],    "boundingVolume": {    "region": [1.891178,0.379348,1.891287,0.379464,0.000000,73.784420]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6982.b3dm"}}}