{
  "manageEntity": {
    "action": "Update",
    "entityId": "1098403830",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"أناشيدي \",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseampcea3bn5xc2h3qbax77jwwwbcikqk3qyht3u3vgtrvtqcrh3og\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1777401087,\"track_id\":489672535}]}}",
    "nonce": "0x8f2ab3ab80c174125a0827f0282b017d1135ce75a734db1997f538592c31fba3",
    "signature": "0xb1849acc87cf61bdc02f93b9e63fc20d73b73d63e0b74b9708a6cc6adb9dc44f45d25e7fbcd7c1d554eff1e2697eb596acd2377b8853b87209ac4bdc89a39ca91c",
    "signer": "0x4500303E05fBbcF978dbd09d73Dc6e8084A6f1b0",
    "userId": "834909005"
  }
}