{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa67a3f7085aa1a680daee811179e9a4ccde8b391274fca4ab1a176e1e8dbfe46",
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    "signer": "0x740eaD4BcdcE71fa5544F4bd69Cf7f0A47e733af",
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  }
}