{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950631,-0.310322,0.000000,0.000000,0.173468,-0.531398,0.829171,0.000000,-0.256768,0.786576,0.561577,0.000000,-1639433.976857,5022193.708389,3561596.254771,1],    "boundingVolume": {    "region": [1.886279,0.596241,1.886377,0.596339,0.000000,8.789140]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/3_1427708.b3dm"}}}