{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950584,-0.310467,0.000000,0.000000,0.173638,-0.531641,0.828980,0.000000,-0.256828,0.786354,0.561861,0.000000,-1639819.476373,5020778.646515,3563401.252269,1],    "boundingVolume": {    "region": [1.886432,0.596584,1.886530,0.596683,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1393388.b3dm"}}}