{
  "manageEntity": {
    "action": "Create",
    "entityId": "345571335",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":345571335,\"description\":\"\",\"playlist_name\":\"sisi freur\",\"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": "0xa57c4b338a9d26b183baf62855a5f554a6c1ce8978a231d5c1250f233e03553c",
    "signature": "0x15267f9f1706534d6aaa88882926890f15b7bd021205ccbddabe03e492daa3d53bb22a6511dc958fa9744f4088322cd8759c213160d044816691dc556c377f511b",
    "signer": "0x45208104454C28281a666c5BA485bae2Ecf1d6bF",
    "userId": "494042903"
  }
}