{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd2bcb09a8c75090700d8c2dcd325ff8a40653f552f9a915451fccb51ceac824f",
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    "signer": "0x1771280501AaBc026030d3f8dE3A38A03C1664BA",
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}