{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8a1e29d137dcf6dea5755f2950e1719796650fd73ccf74da1510855ddf3bc788",
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    "signer": "0x9A102d0d0C676D1154Da9Fd844Ab4A80355e7460",
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}