{
  "manageEntity": {
    "action": "Create",
    "entityId": "785667624",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":785667624,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x1422951b50175e839e5d9069c2b3907f2622ea5a9c2cc3ec141f68bc07b6bdf9",
    "signature": "0x65d67435cbf8c305866406e1e63300e6cd9b5e3247b45fc3eb514c796263cdf51f74b6278fdfc45b69e6e92316aa4711dd9cb4dcf1880e8c50145f1d2ee7899e1c",
    "signer": "0xb556B474676E208be10BDc6F1AAA07ff74f317cA",
    "userId": "678950548"
  }
}