{
  "manageEntity": {
    "action": "Create",
    "entityId": "900718085",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":900718085,\"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": "0x5d93d37270f7240eb40563dd70f1336466ecf4fcca2860e64bbff5bfe4bc2f00",
    "signature": "0xade9b4774b77ed5c1c98ba93764010ce906dcf3b802d47a239fd13e0030ed290072af5ce303428ff5ad13f3925f97aedfc3fa7cc20291256f5207a45ef6ba79e1b",
    "signer": "0x1cdFf70c3148938298C2f37555e69D65C18D364b",
    "userId": "356982132"
  }
}