{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1a5b56f9bce1c9c22138c001ee4f0ac65d86a7ec9e9dc4b3c9a70a971083af64",
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}