{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1c0fb3556f3719c68b34ad2c3f8781b0c310b755c38a8b434768c571810922b1",
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    "signer": "0x24FFd45BD3def7db3AD72F9e328E12589390FefD",
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}