{
  "manageEntity": {
    "action": "Update",
    "entityId": "1036790838",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"x1\",\"is_private\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0xefe6fc25fa4326cbcc4d7ea69167cc553211863338c595e9738a47f2f3d91bea",
    "signature": "0x732ac8151d695a0bdb9a27dce2ac5ac6feadb59b424bf1fbe6facc0092afb94e59538b6968bc7abc1f6a149c069823dd6c74b1dbe2495071ec023cf266f87e5d1c",
    "signer": "0x88c769B5594fA1e5AEc33e17472E952E788bb0E3",
    "userId": "147939951"
  }
}