{
  "manageEntity": {
    "action": "Update",
    "entityId": "2083563431",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Rock\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsebohbu3bbk3vyv7iz7x366jxobkmtetfaktiqpaa6h4y6sdpkz2eu\",\"release_date\":\"2026-04-12T13:19:17.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1775997972,\"metadata_timestamp\":1775997972,\"track_id\":1077419},{\"timestamp\":1776553035,\"metadata_timestamp\":1776553035,\"track_id\":945128648},{\"timestamp\":0,\"metadata_timestamp\":1779125087,\"track_id\":553680}]}}",
    "nonce": "0x59b2aa870a867a43210592a979297f0d0521722e2f1d09f2661a50dd2ce96dfe",
    "signature": "0x66450a0dbb5937b75c9c73b2ff3ecb5b05d0957fc6b9304d8c9c9cb5354cba490b0f2c5403b9ff983d967ddc68cbd30ef75a11bfcef4b612fd2034718130d46f1b",
    "signer": "0x3DdfB99173Ed7ff3A083C9C589582B230d37906E",
    "userId": "192527938"
  }
}