{
  "manageEntity": {
    "action": "Update",
    "entityId": "119580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4m4llppp34igovy6rhcv3fretwilewazwj5isqk55nhkq2kgxrbq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":40130},{\"type\":\"playlist\",\"playlist_id\":49421},{\"type\":\"playlist\",\"playlist_id\":1538455},{\"type\":\"playlist\",\"playlist_id\":853115747}]}}}",
    "nonce": "0xc3942a628f2e5f1a63713349033dd7f2bc68be505bb09da3b01f93e572c0b5ea",
    "signature": "0x50d82f477b323efc9de664a643791a4476af7af1cc992b49a38eae09fd4932fe1b9ced51701c443db5beb3b7ed7cb46d3d9a6195071bd4cc60b8ce93395eb08a1c",
    "signer": "0xD6c4DfF66d368e4a5d42792C8d086897Bb720E7D",
    "userId": "119580"
  }
}