{
  "manageEntity": {
    "action": "Create",
    "entityId": "143707758",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":143707758,\"description\":\"\",\"playlist_name\":\"Retro Babe\",\"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\":1778760096,\"metadata_timestamp\":1778760096,\"track_id\":1269453276}]}}",
    "nonce": "0x821c3d154096bc0f4f0d3bc346c9c215af47848e35edc49ace2b931869bdd99c",
    "signature": "0xaed25c4f1c7753ea5ac64d1f2c033b4c961ec19b2047a330a1ec630ed62d1667064cf610429cf43903f301de589cbb4a5680dc2442c3c77ded69478b56901eb71c",
    "signer": "0xCa6231E3844BC6373A95cFaC5a12AA01873e9278",
    "userId": "143885179"
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}