{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949150,-0.314824,0.000000,0.000000,0.175985,-0.530570,0.829171,0.000000,-0.260493,0.785350,0.561577,0.000000,-1663216.999237,5014367.638926,3561596.227466,1],    "boundingVolume": {    "region": [1.890999,0.596237,1.891136,0.596343,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447741.b3dm"}}}