{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9487a96ede85c3c9cd8051f9b4ca514268557cf069e7b9d5a46018e8f44f7ac7",
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    "signer": "0x3E2CcC7fA1d4697940e945930Ad5880557410Fec",
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}