{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6327c1f3a0710a7584671c104ab1acfeb007368edb94fddd49b9260f1ffb182b",
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    "signer": "0x235ece5863Ef9e5dF1a96dC6b5Fbef48423131c0",
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}