{
  "manageEntity": {
    "action": "Create",
    "entityId": "1928998430",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1928998430,\"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": "0x8378cf60154da01929d8aaecb23c54aef04657935087f13f0247798745387cb7",
    "signature": "0x08b998cf7919c0f0ca65ca075b57c551d6bc85eb1a89758e2f1bb7719ba5a97c4cf05de066d09f06b3d0615dd4ce6fa5749fd50946ac3b3d530be2536b8fa6891c",
    "signer": "0x7a991F28f8c946030bE26Eb8408414771247985d",
    "userId": "514559071"
  }
}