{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948998,-0.315282,0.000000,0.000000,0.175941,-0.529583,0.829811,0.000000,-0.261075,0.785836,0.560626,0.000000,-1666929.246212,5017450.928158,3555553.991430,1],    "boundingVolume": {    "region": [1.891503,0.595046,1.891598,0.595237,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074579.b3dm"}}}