{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950823,-0.309734,0.000000,0.000000,0.173201,-0.531691,0.829039,0.000000,-0.256241,0.786608,0.561773,0.000000,-1636066.568493,5022401.864342,3562842.565396,1],    "boundingVolume": {    "region": [1.885627,0.596443,1.885793,0.596612,0.000000,8.741088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1386277.b3dm"}}}