{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x427865d07e02c4010508e8f56d8a5bedf491d44604ebabe39d6b22a4621a9518",
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}