{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb5a1d3969a829df8fdd4ab28cde0602ae03e07a1bba6973f8f579757c6702cf0",
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}