{
  "manageEntity": {
    "action": "Create",
    "entityId": "1596767020",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1596767020,\"description\":\"\",\"playlist_name\":\"Brazilian Samba\",\"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\":1775440250,\"metadata_timestamp\":1775440250,\"track_id\":1310465506}]}}",
    "nonce": "0xbc09122d0e482e7821703a534f712f82f1e23abf5f226be74fcfe2bb45c615c0",
    "signature": "0x04acaa4a5b9eaeb9bbe3f71a25d8364f8ac6fdb9f3dabbdee62169c8a0971d1565e10ea0c415ace5353c2474e6bc35d353d8e9988140a84a4051b346d6c2d0e81b",
    "signer": "0xd1A0F8828aCD0Be90f8aF1e4a2B12752544301D5",
    "userId": "929989380"
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}