{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xebfd65187d565af1edad7b930a3a5267df7a0443f6d4cdb488ab0dd0d5aeb43a",
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}