{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949602,-0.313458,0.000000,0.000000,0.175244,-0.530892,0.829122,0.000000,-0.259347,0.785677,0.561650,0.000000,-1655900.239718,5016454.068196,3562064.261058,1],    "boundingVolume": {    "region": [1.889579,0.596338,1.889678,0.596420,0.000000,11.385869]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/14_1409811.b3dm"}}}