{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe556b56ecbc7203e9cb2a9f0f4483b6df381d863ccd0831711ad0adb1b49ee56",
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    "signer": "0xdbe44e0A42902255f65F64BD2C40FCfaa5910825",
    "userId": "537952097"
  }
}