{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949451,-0.313915,0.000000,0.000000,0.175145,-0.529735,0.829882,0.000000,-0.259966,0.786279,0.560520,0.000000,-1659842.785109,5020278.841206,3554881.939645,1],    "boundingVolume": {    "region": [1.890029,0.594881,1.890191,0.595147,0.000000,8.748868]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371520.b3dm"}}}