{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd69c27003f905a0f36296b092644a5e7d9d7fa7d45610ea1164c014e36aa55d5",
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    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
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  }
}