{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbdbe00563c0dd20b6c418d6c7118dcfe4c8b20b2b562894a733c4867310fb04b",
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    "signer": "0x8593136Ab24F551bD1dcf6Ee368c598B49FC32Cb",
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}