{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0a19c8af32885c6ad6f0717ab2b6e995309c047d4636a12693a1eb3f780772bc",
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}