{
  "manageEntity": {
    "action": "Update",
    "entityId": "2003410233",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Tralala\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedkeuls6vtcr3jmha2wrxteozmnu4reefh4o35dblhai2jle5im6s\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x396b19adb1c5e476524d3fce66c41337ac973d6d9fc652b8db855c39e69e4d39",
    "signature": "0x423e60eacacfdda51a894d4995abac8e64c1a0fd6ee30555c1a1795b44e6c4a40e46b8c1d47ad1f2cfe31628094e6ad4ca47be9b4c96433578d584cfb41450021c",
    "signer": "0xF90E3C36E315BeaFCCb2aC77D5050899dc5E4A35",
    "userId": "154877636"
  }
}