{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949601,-0.313462,0.000000,0.000000,0.175237,-0.530861,0.829143,0.000000,-0.259358,0.785696,0.561618,0.000000,-1655967.055476,5016577.320344,3561860.985762,1],    "boundingVolume": {    "region": [1.889584,0.596300,1.889683,0.596381,0.000000,9.744479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1408854.b3dm"}}}