{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x228b96933b69d6a477c4318183d0899bcecf441a51ea9832d6602daad492dce1",
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    "signer": "0x16536b77201e79535a35790b4d7fCa77cbE129Eb",
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}