{
  "manageEntity": {
    "action": "Create",
    "entityId": "1818163707",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1818163707,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xa169743b220d57adcb7a96c28a32be95121f00ce4d386cc958e02664cb57768a",
    "signature": "0x82ce448b0027a29f0d16e5c1ddc0bc4b5ba12b584bfbdd6584470ac504771d8872dc9799573015268699e27e7cb932b479d33a957d70be4a32ec9d8dc3b204591b",
    "signer": "0x82F4c0e575f7C668dbf3A5385C28fB83bDe10c45",
    "userId": "198170196"
  }
}