{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896864,-0.442307,0.000000,0.000000,0.286690,-0.581319,0.761497,0.000000,-0.335863,0.681027,0.650691,0.000000,-2145220.489760,4349851.777012,4128267.392997,1],    "boundingVolume": {    "region": [2.028917,0.708456,2.029015,0.708532,0.000000,10.761473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/20_1791008.b3dm"}}}