{
  "manageEntity": {
    "action": "Save",
    "entityId": "426983371",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x05858c4eaa684719f7b0257e49b2c8e4c94b11cc5dd73e53c8457a4be85a2206",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
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  }
}