{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9b2c51162b14a24d2a78a1874d4ab9866ece76b896ebce203abb87e961bf4ae6",
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}