{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc83ca7f9e49be1ae6ff3e594b8fdbced8f2d0e25013cdaf5cf929d7dc3df36a4",
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}