{
  "manageEntity": {
    "action": "Create",
    "entityId": "1014748764",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1014748764,\"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": "0x2662f2d764486dcb01c6a7e8fc42c17fe37ad6ff3fc4b498d515f5ded3844429",
    "signature": "0xf7980f54542720b7e49321ba6593e80dd8ad42a1962e71643c7db70757fe97dd70e8910c93583c4b1eae9490a2b88ec33f921f9f86715648aeb318d9c46357151c",
    "signer": "0x7a75a4f6Db403e120768B73C5e7dA9BD6eF0306E",
    "userId": "547641018"
  }
}