{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5229582e5d2ec6d6d5a1628cb569f3d4ca77c6ab2418f0e3cc7a9b0e102d9e88",
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}