{
  "manageEntity": {
    "action": "Update",
    "entityId": "916060975",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2rwnedizrfdjbbj2iiwoonq6tvsdr6dnftymh72n7r2iodfx4qba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1735544130}]}}}",
    "nonce": "0x96b8981091ba07922bcf6a2fccc8aaf5bcfbe998b51a360d8ae29cdc0b386f67",
    "signature": "0xa231173357e1369458e44c34f24ec3535b38817002eeff9749022a2feac6620835f6434d1081eebd5eee0353fa766e85d121376c0418885cddf3003e498dd2271b",
    "signer": "0x1A3180C2B77F308242944Cc798Ae0C216079DC9d",
    "userId": "916060975"
  }
}