{
  "manageEntity": {
    "action": "Create",
    "entityId": "555546696",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":555546696,\"description\":\"\",\"playlist_name\":\"Tender Ground\",\"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\":[{\"timestamp\":1775587583,\"metadata_timestamp\":1775587583,\"track_id\":871955866}]}}",
    "nonce": "0x7e561c93c11128aa97bfa6601756cac4c3366bbc1eb9bc07456bd672ad648735",
    "signature": "0xf1cfb34572bbfdb1ac08289b7a238fb97defe584108eb371aadb73ef475848a57f3fb5f64ef718d25f7555a3af8c6513048dcc4893666cbf9856c0229ea86dee1c",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
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}