{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd5ea1eb2df48cf2463747e6227e64e37673626e88a0fff6debccb71222bebe85",
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    "signer": "0x7B12EF8dDA5E7f50B80af62Ed1fE585F9A88CB28",
    "userId": "589258310"
  }
}