{
  "manageEntity": {
    "action": "Create",
    "entityId": "1089890949",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1089890949,\"description\":\"\",\"playlist_name\":\"My Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsed5gih27hdt6y5vmvgzfqtphd3eqqinozxgqerutm4h35znsopnj4\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x3b76c63e8a8e66c6767f1c3df7d934d4f45964e691eeda24fc2c884d12dd25c7",
    "signature": "0x7a73b0dc29f7e924ea20fcfb14ba5c243852d02de96d5879ca32f8c3a29e8eae7e50ee5e6b620e6457c7db2b2006bb920b26ea3273672cca48ee5961f297620f1b",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}