{
  "manageEntity": {
    "action": "Update",
    "entityId": "258323239",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"eiwieufu\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseaggd4knxij76f52tgc2msnwlznbqbgfuhxecnthkzg5faqfkjnhc\",\"release_date\":\"2026-04-30T20:10:55.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1777579855,\"metadata_timestamp\":1777579855,\"track_id\":630450622},{\"timestamp\":1778403031,\"metadata_timestamp\":1778403031,\"track_id\":727004550},{\"timestamp\":1778597464,\"metadata_timestamp\":1778597465,\"track_id\":553949242},{\"timestamp\":0,\"metadata_timestamp\":1778597477,\"track_id\":1040376784}]}}",
    "nonce": "0x4e81ea87b35c4f4d9559f80528457513437bb3ff911d2e9d4dde308d1309c078",
    "signature": "0xcc676f87b42d1c40d7dfb40897c84586c1e6aaac59332990a3998e74a76b70e909d53d8b4afa1ba3d1ce6b7dd4c16e2aacc27571a25507d1883e228e990d3b0f1c",
    "signer": "0x7998d34D204eD1127E226AA1dcEddB8643ACd55A",
    "userId": "85766903"
  }
}