{
  "manageEntity": {
    "action": "Create",
    "entityId": "1300548438",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1300548438,\"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": "0x0e2660f6b72920380b275e299fb9da9b0db20331b85c486e39c459d60249ce77",
    "signature": "0x8b9e3a5fd23605b11ad0400e23ccb0c2e5158a0746afae1e3ea5864e972fd43648e0d15fcafdca2a714763d76a15ec8175df71bc7b37e1ff7dc2c051949db3b01b",
    "signer": "0x54B193bF6F1e27B02Cd72343a3e68cd19c0110a5",
    "userId": "492531535"
  }
}