{
  "manageEntity": {
    "action": "Update",
    "entityId": "47957710",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxmlynwqgp2oi6pt3yurf47ehvqmjpdstmjcki3wr2wrwe4t7k5dq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":706800800},{\"type\":\"playlist\",\"playlist_id\":442882673},{\"type\":\"playlist\",\"playlist_id\":1093786995}]}}}",
    "nonce": "0xcba60a3bf4bf881be59fee53d6f01b3cbcf03a3275132f22989bef2a87a16ab1",
    "signature": "0x048173b7c83844f45d7a26dfbe0849da7123b5089fb04aa62dabaa470687594327ebb48aa476dba780db990c2622bb37faa4b521d8e130561d507dbb23ad80b61c",
    "signer": "0x2D81e23538E92940893ef728A5b6af00F3a1e478",
    "userId": "47957710"
  }
}