{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89f7a8289882cbeac9227af61b17d41b5775ffc88fb509244811c6d8da82a4c9",
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    "signer": "0x79d45a77BC3bf63157423b7Eef0ffD3a78067C4C",
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}