{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5cd18a0feb5bb0aabaf79cbf8d9481121c553df105efaf376228407982bf863e",
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}