{
  "manageEntity": {
    "action": "Update",
    "entityId": "300148597",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Neffex Music\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecg4dyez6e4xsit6v43j5nplzrbgsbdz6u42cytu5evruyh3ouczo\",\"release_date\":\"2026-02-18T22:58:00.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1776811870,\"metadata_timestamp\":1776811870,\"track_id\":897811},{\"timestamp\":1776811969,\"metadata_timestamp\":1776811969,\"track_id\":774447},{\"timestamp\":1776811983,\"metadata_timestamp\":1776811983,\"track_id\":1013148},{\"timestamp\":1776812037,\"metadata_timestamp\":1776812037,\"track_id\":866438},{\"timestamp\":1776812052,\"metadata_timestamp\":1776812052,\"track_id\":908879},{\"timestamp\":1776812067,\"metadata_timestamp\":1776812066,\"track_id\":1001848},{\"timestamp\":0,\"metadata_timestamp\":1776812087,\"track_id\":209924}]}}",
    "nonce": "0x9a013fa34683c95c8eb58164e0e5971135217c38390c078d863c9b0341397b6b",
    "signature": "0xc90bbd9949236d420369f936f5b841009e05f1ff0b2a7560c2e58784236a1e4c5fa41b2de237c7525530454e55301ca2b1975ec829f60df83d6b3cb1e79828961c",
    "signer": "0x28BB4fd81abee528D2cDD58feD1173b5A352d479",
    "userId": "941005833"
  }
}