{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9f9ad6b0d36a69ee0daebfeb4f34b4892f99babe0aec78cab585fb3fff48a6d6",
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}