{
  "manageEntity": {
    "action": "Create",
    "entityId": "1391876965",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1391876965,\"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": "0xa3bfaa56c38ab86b1acdd1dd5399f6e3e5736641a1be5a98d53079369b5f47d2",
    "signature": "0x22aea267df60327fc265cd1d8e8e6e8c48322f792fd7d09da592ae84a25876e2325e5e8d9a0ffded4e3530032f63281647781518c727f57b3a2ad9a6b310fa661c",
    "signer": "0x441F39B467Eb5d276bD5413c62C6f97231CAFDC8",
    "userId": "345792093"
  }
}