{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949331,-0.314278,0.000000,0.000000,0.175533,-0.530228,0.829486,0.000000,-0.260141,0.785801,0.561109,0.000000,-1660967.360328,5017234.837096,3558626.953676,1],    "boundingVolume": {    "region": [1.890424,0.595672,1.890561,0.595779,0.000000,8.746050]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_1365114.b3dm"}}}