{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7bfa52b8c9ecf73168a08976ef42c1a1ef824e535ee403094c88f477d3b42edd",
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}