{
  "manageEntity": {
    "action": "Create",
    "entityId": "671707358",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":671707358,\"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": "0x534e7e292ab114f196470c3e4bd9cbb695b77c1bad97fbac8878a265b5ecf437",
    "signature": "0x0bfb444991f0af0432cc892dc86a1848b751fec6f583fb38216bcf4fee8ef16d72cc1cc4c1a5479018157a675875b531374f5b93c39d90b22fba467f23ee9f991b",
    "signer": "0x0aad759fF091935FDA739a94F21294d1b681F4FE",
    "userId": "421631490"
  }
}