{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7c9d1e4f9d0c116924e52e00d71d295d62dccedd9feb7ac79bcdeca19c9a7b4d",
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}