{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950518,-0.310668,0.000000,0.000000,0.173756,-0.531622,0.828967,0.000000,-0.256991,0.786287,0.561879,0.000000,-1640857.600904,5020355.708050,3563518.469868,1],    "boundingVolume": {    "region": [1.886643,0.596606,1.886741,0.596705,0.000000,14.464368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1394045.b3dm"}}}