{
  "manageEntity": {
    "action": "Save",
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    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x816d0a99bde0f5dcbd6a9d3e9c6465bc9ed365a10a125c22e33ae026a25a6c23",
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}