{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1d87eb9e837cdf25fb2e27c1d51d5fccae51c222731323d870452029b83f7312",
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}