{
  "manageEntity": {
    "action": "Save",
    "entityId": "41440323",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd447e411b4ac09463fa280483a854848f317e20e8f5aa0426122f8171dafaec9",
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    "signer": "0xf954E35976C0aAaEC2968197F2a371Cc99E7C81A",
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  }
}