{
  "manageEntity": {
    "action": "Update",
    "entityId": "98088512",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierajjev5k67me5g46nasg5thyxqvcdlxzv2vtqszwxzxy4yjrde55na\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1419300557},{\"type\":\"playlist\",\"playlist_id\":150639252},{\"type\":\"playlist\",\"playlist_id\":576245199},{\"type\":\"playlist\",\"playlist_id\":879829203},{\"type\":\"playlist\",\"playlist_id\":122698340}]}}}",
    "nonce": "0x3597e663d8ec39f944c45c24f0373b9d137afc62484e051fad904ead6d1fa551",
    "signature": "0x4db03821f7b7d1b3365cf99af678fe4df539579b268e52cf9a214161e9f4839d7498f8e218c761f281ab5c2ecd4ace5032480005364762dc8234d42270e00ee01b",
    "signer": "0x556D15a5c7676f637104Fb4F811c98D46bad6AAF",
    "userId": "98088512"
  }
}