{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x63c3b40f10e8ddd176f09b0fef7d1296b268382cdd772c15e107b3103d80cda5",
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    "signer": "0x58cEcF6744B8f54F7401C14ab268A16A6BAbcf53",
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}