{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9957a9c78ae38f6a0ad4224ce8891486077539e6af0fd9249cfaf2116275ce98",
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}