{
  "manageEntity": {
    "action": "Update",
    "entityId": "848916925",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdeee57060a18d5702fc0a996620aeef853b87642e77e38cb40b9e9cb30c21c32",
    "signature": "0x63c936c6c05c28d4497f4c4756af1a68b11d059c4feef030cc247a34925ee61b0f9151be4fc68a93775793eb91ffbde294654a7a6adbba95072e68ccb72915351c",
    "signer": "0xbF2bcCA746c75baa34C6f0486E1170040885EA62",
    "userId": "848916925"
  }
}