{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x16e5c77a67111ef8be3deaedc48419197cccff26b5c6140b4173c1652c625735",
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    "signer": "0x157bA741aDDB5162C2E1E91761E3Acbe4Fa13078",
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}