{
  "manageEntity": {
    "action": "Save",
    "entityId": "1380585699",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6fcf811929f89d0e503e7422fa67a1dce01d70859a85c6a5686a86ab1e8ef572",
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    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
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}