{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x890b83c0f30489177aba8d7e5aa9b6c1e4e205e522d1be5658370fd2cf61f4ca",
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    "signer": "0xd102d4cEc0c17a019c428345434F0763caE1Bc60",
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  }
}