{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x231b86ed08747d00bd36b1e4534f1b6b89656685391b66c77a13304f587a39b5",
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}