{
  "manageEntity": {
    "action": "Create",
    "entityId": "581189282",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":581189282,\"description\":\"\",\"playlist_name\":\"MRU\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1775315149,\"metadata_timestamp\":1775315149,\"track_id\":924081907}]}}",
    "nonce": "0x926a86ac56a92207e3d99eb7ea933213da7fd23db3e30897cf934810d444fc21",
    "signature": "0xdd66317f5aa35b1aa4ebe32ca7e2c84a29e32e20c4235f7bffb74026259a30633bd1e504163f055c6e39693c8fe854d83902f818201ea40837ed506b3b0d26f31b",
    "signer": "0x631844cB3F56AdC5b70146AC8bFa359c100448b6",
    "userId": "45685346"
  }
}