{
  "manageEntity": {
    "action": "Create",
    "entityId": "158844497",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":158844497,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"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\":[]}}",
    "nonce": "0xe77230eeaf71fed0657db7a382fb37e3138b3beca0b5eb0ddc2e5ffbf3aeff8b",
    "signature": "0xba73cad8397d51f23823936f76aca008af0b423c1b576abe07495982c409f77f121dfa4ac8c4b63f5febe548bd38d6d8f2308810484e67d3c828829f03761eb31b",
    "signer": "0x001bE4DDDeCc90Fb4A0AA9Db92141E3ADc0A7698",
    "userId": "297137728"
  }
}