{
  "manageEntity": {
    "action": "Save",
    "entityId": "124273",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x930c0da6ca8835987fbb9e3105895a19f0d167fe762756869fd8fd945f1b885f",
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    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
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}