{
  "manageEntity": {
    "action": "Update",
    "entityId": "322740473",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"making song for my self\",\"playlist_name\":\"DJ BANKS\",\"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": "0x5e047108b4b340575f13554721a6a2ef10a74a319b4f823790b50cf1c1f4bce1",
    "signature": "0x9e1c51e7fe157b0fe29b05bbc8699104cc90f2f20b6f93caec3a694cb71d2aa43295902e851df0f4136617fc0249fed3a97fdd866444d3d2bea46ae6c2c88f6d1b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}