{
  "manageEntity": {
    "action": "Update",
    "entityId": "1462723587",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Feria de Abril\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x774c6befcedd1437f98bc5f8ffe02fa25d4c0f8332fb9d8a1597c8d191abdee0",
    "signature": "0x4237d5b91408130d513df8bd6b01d0d49204cf66e2a1ece187ab0050274b2a9b3b51aa5e80d09e83779e6a2e22cc4843fe83c7a1e803914d09c39a1cbd22d2641b",
    "signer": "0x044E8a0c52D10A25362559515A840D07C1a88EB7",
    "userId": "831559707"
  }
}