{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x35a14ffe6b8a4fc9ec0902dd73dedfe51b755e6983b21031a64cebc4598bda7b",
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    "signer": "0xbD5104152D33Ac96296708739F067AaC7fC36588",
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}