{
  "manageEntity": {
    "action": "Create",
    "entityId": "1743787668",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1743787668,\"description\":\"\",\"playlist_name\":\"Feel\",\"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\":1776989106,\"metadata_timestamp\":1776989106,\"track_id\":488135}]}}",
    "nonce": "0x5051845d4b61f6cdfd176c3372280eb12aba6716d5dfd160b060619628ba0529",
    "signature": "0x6a63eeff2403a681a00f45da7854f1105037b8aa9293a76f74d2763052d8cf604292f505828718cb8495a0dc2bc832f4adcff3d64c836b64dfeb03a7e3aea1451b",
    "signer": "0x2717a1915751B5Bc84bdb6B53049E4F793BfD46E",
    "userId": "681656398"
  }
}