{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe1e18888616901465ec6478376c1c345f9024cd3e2f8b5f6846580b40648e1d1",
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}