{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x78ab0c102b3af8a8a382993797eb0fb6bedd5bd2c031166c84b44baf58c76357",
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    "signer": "0x50C788e98653bf302c8bABD4990de951be4A7579",
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}