{
  "manageEntity": {
    "action": "Update",
    "entityId": "1117144910",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"a\",\"playlist_name\":\"Test\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"QmVxh7p57hraeeiGa2yvRZr3tTYPwswomjHr4rNNDNjYQE\",\"release_date\":\"2026-05-11T12:39:10.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1680767029,\"metadata_timestamp\":1680767012,\"track_id\":1965490771}]}}",
    "nonce": "0xa8da90d8a8b6afc289c1b3b82c551d45d568d568d7ca327bd6a2fbf3b4eb3090",
    "signature": "0xee479f8e2cb9e17baafe57262cb7cfd855accd66a12ada964934e18c29efe3520b35eba81ba6ebb8cbe954275773542b2c53f99f3bf3232eaf6d22eba6521be11b",
    "signer": "0x6F272bE0cf1929131937536d1E57b571a5bEd994",
    "userId": "477662771"
  }
}