{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310461,0.000000,0.000000,0.173599,-0.531536,0.829055,0.000000,-0.256847,0.786428,0.561749,0.000000,-1639935.473414,5021249.664735,3562688.910864,1],    "boundingVolume": {    "region": [1.886425,0.596448,1.886523,0.596547,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389816.b3dm"}}}