{
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    "action": "Save",
    "entityId": "1197643869",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9aadac700d6ba597b54be0d7bc20f44b49fcf498c63f752c5105339a8f17c029",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
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}