{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x635ac0fe6fbd5d5c54e1f9bc676a6aefd7930a7eae159c0dbba6ee04741a74bd",
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}