{
  "manageEntity": {
    "action": "Update",
    "entityId": "1654592362",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Mashups\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsebe7wrnmwbazrvynsygjrjbapbel6rnwusfb74fklczamrupqqbus\",\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x67928076440a3438afe4a1e4d9d3907359137bb30bb8f07257464a599859d64b",
    "signature": "0xd9b162dc5a4686e8a2c0bf29022e17b8559289725d44ed836100e24cc7ae56407d9c890764b7a128a1ee3856cfb37af84573298bdda8725ffce8ba75e478332b1b",
    "signer": "0x044E8a0c52D10A25362559515A840D07C1a88EB7",
    "userId": "831559707"
  }
}