{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x09c9a08b3df44d2fb33a27b5fc3b2b1de4f94ac8cce3fb913aab8b795af8a7c0",
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}