{
  "manageEntity": {
    "action": "Update",
    "entityId": "582447217",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieray6c5wvgm3zaud5fjluthwppg5uma4hnfwb2b7u6auk3dfgoz346a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1220067455},{\"type\":\"playlist\",\"playlist_id\":404642876},{\"type\":\"playlist\",\"playlist_id\":1706820977}]}}}",
    "nonce": "0x5e923782a3e2ae538b53b6930980e5843e6b2bdc99a646b66583652a276966a5",
    "signature": "0x6b3b5ec4b6a4ed2078c19d4e347abe5b1eaee2c99f79d0b2605f6843ff09be99498ce6cb08b7459e099855d82bb34923027df4edf23207af404a77774e6bc0891b",
    "signer": "0x8e5A6D0829f4226DC492757b1583CBd16b7666B3",
    "userId": "582447217"
  }
}