{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x270e61f7bcde59754087f2a5ac8aba6644bb8e4bb5d73e286aa52819eab82ec3",
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    "signer": "0x393c8f4ef27d07C48109C752a4617bF5A62d4407",
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  }
}