{
  "manageEntity": {
    "action": "Save",
    "entityId": "23327",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcd498a0907bc1ea54390eb57297a35f184d7b76ea6717229a497228954e7f3e8",
    "signature": "0x1194b05eeb4f6a3bbf18eb5ac998cba538495c56e778407276f3cf3abaec7672379678cb01ed0d7e5d6ef61c75c735f05d832c15382151bf8024b7d8607ac1b91b",
    "signer": "0xa8E11aa224d2579f5cbdb912866bCE84Eb10f9dD",
    "userId": "951616224"
  }
}