{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951201,-0.308573,0.000000,0.000000,0.115661,-0.356534,0.927095,0.000000,-0.285805,0.881017,0.376994,0.000000,-1823770.599189,5621923.218589,2389558.382328,1],    "boundingVolume": {    "region": [1.884407,0.386497,1.884570,0.386600,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_4652.b3dm"}}}