{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbc589eeef941dfc5a2285d5918fe5b1352016f15f6a133a2e1f65e6dda704624",
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}