{
  "manageEntity": {
    "action": "Update",
    "entityId": "1346151055",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Premium Songs \",\"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": "0x2d3d516a3592ab57c50150ea3529a7c2296705bc46900824d43600310bffb71c",
    "signature": "0x28b58a52062f419ef5dcd554cca23de81152c5fc06671fb35e2f94678765817a121e48878b68cd0cab8d7e5e65f60d8ca54d8103e39198295c5019a8f93bb5751c",
    "signer": "0x5C3ED23667FcFdce6d7D7E645C5F96878Da6c74A",
    "userId": "110794540"
  }
}