{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x40379bfd14162d9bb3f5b4d7ea39dd8545be198072ca99ada8efaa5bd0753ce5",
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}