{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897661,-0.440686,0.000000,0.000000,0.285464,-0.581480,0.761834,0.000000,-0.334781,0.681937,0.650295,0.000000,-2138310.237635,4355656.472446,4125748.326283,1],    "boundingVolume": {    "region": [2.027084,0.707859,2.027235,0.708086,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796209.b3dm"}}}