{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949558,-0.313591,0.000000,0.000000,0.174967,-0.529803,0.829876,0.000000,-0.259696,0.786362,0.560529,0.000000,-1658119.170029,5020809.711097,3554936.199503,1],    "boundingVolume": {    "region": [1.889688,0.594891,1.889850,0.595157,0.000000,7.969830]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1371303.b3dm"}}}