{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9ea9c9676827f29483f60922ac9245c46e9eae083905ffca2280c13a4ee1447f",
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}