{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe1703fe6cbabd2bd30cfa5eea5160fe8c87e7d315fc9b1547b2e5101744d7d80",
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    "signer": "0x7D11D94dbF8f8b51A24EC64B1FECb91Be6b09E2b",
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}