{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1332f5a9a95d13cc20352d0e80981264507500b1a3e24372da5ae9c7cf59e4d8",
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    "signer": "0xa00616Dd400f07C9FBbcE3566bDc48BF1518Cf01",
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}