{
  "manageEntity": {
    "action": "Update",
    "entityId": "2115803435",
    "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": "0x7bd037e9f4284cdef69b4f7eab3ad3d15c9cc50433cba2090f3e56c565857ae9",
    "signature": "0xc36315a53c481c2fcab32ac32e386b42b73205c33bc151f37f10d9c7e3355aca2030363da7c49875a7fd5e2a07705e245b8eb917f7eb3d76c5b6263ebaa478511c",
    "signer": "0x88c769B5594fA1e5AEc33e17472E952E788bb0E3",
    "userId": "147939951"
  }
}