{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd5a9794a965bd2f8be0c3e5bda4166fba4d71fe969208cee431b66c4ac1e0c16",
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    "signer": "0x00Daa6Bde3F14e9f5751F3988820F2581a27C9Af",
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  }
}