{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf408c50883c9bac3424d01b6573b3e6dbbb273c02c709ca0a9d075a5a23a828c",
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    "signer": "0x2D155bAe157870c51e1AAf91626dFcF9152866ce",
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  }
}