{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2cb0a96b4c3968dfffe8c421e980bc5b567bafec0a940fc1827b27dc128572a4",
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}