{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7d3a39dff956d0e07b02cc3eb67b560cdc37f468b786f4148cefa18eef40062a",
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    "signer": "0xCeA884bE8593BCB89cB384E6c122cB438667A215",
    "userId": "692801388"
  }
}