{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeb32d13c98b0a3c5aa6a7500a6d38f3a12291c0cc2602b5d7f93f5bfeda6bd70",
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}