{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xacf002ce6cbc56cee332a6c4a1ff53e95cefb714c30398ae3298a8a81f0e2698",
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}