{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950852,-0.309647,0.000000,0.000000,0.172953,-0.531098,0.829471,0.000000,-0.256303,0.787045,0.561132,0.000000,-1636459.208537,5025180.715834,3558769.028063,1],    "boundingVolume": {    "region": [1.885545,0.595643,1.885690,0.595862,0.000000,8.789350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1340298.b3dm"}}}