{
  "manageEntity": {
    "action": "Update",
    "entityId": "29417884",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraw2re4btyqv7bdlndp3k2ctf7y2imywnrrzbg56g63tdr7fc3pmya\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":402489409}]}}}",
    "nonce": "0x1c6a2df8f8783eb8dbf7a6909583a24e174ff50140b78e09cabc404dea707630",
    "signature": "0xbf2a6ae0a2e12cede0992606b19451fc0d4b071ab8451fac6d067c85dfa2994967f33e89c31ee3bd2cc1b9f2d240fe437b6bad111e8f137f8a3c65bfb10e08831c",
    "signer": "0xCf2eacf459f751e649a2cCcD396D5BB7c47B7950",
    "userId": "29417884"
  }
}