{
  "manageEntity": {
    "action": "Create",
    "entityId": "697645129",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":697645129,\"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": "0x4801a99edd430a9ef8b9b96f649e42f18b2e017549579a39901d0d267c769783",
    "signature": "0x7d3e25d687ad887d566cf0cc2dec3b851a82181ddaba7cea2c8ab2260eaa71e946bbaef329b3d539720d460bb531e02f217a53ecaccc0c5efb0558c4e6650c941b",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}