{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x52c0255833334e26272eb96f66d8f3089251a4086e02dfb6f89cc812d77ef6e3",
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}