{
  "manageEntity": {
    "action": "Update",
    "entityId": "1270161678",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"Test\",\"playlist_name\":\"Test\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseaihqznh4s2ls3m7xa6ur6kecgcxfic744aw46ikrcvozhwuzcdik\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1780262174,\"metadata_timestamp\":0,\"track_id\":306888232}]}}",
    "nonce": "0xdcde7cf664fee7ed9509576e0df9bdcebf3cd0d67f85fc041af4094c6e6052be",
    "signature": "0xe335c3b157db016ae97db0e6994e81226488106d0a03c45681de4a0f3a1a8f0e6ec70bd4d92ebb4f7ce76603ce45131d2f48083cfddbfd032f104b5e435da31c1c",
    "signer": "0xCaE1ee7dc4DB493ceab857fd89C09fA305C4c5d4",
    "userId": "648743045"
  }
}