{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb09488d32ea6f6755be28011d390f05cfb29e1e86634e021b83becbf17366e0d",
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    "signer": "0xeBB9198d5c2f7272d0e5c0dF356Dd10A4e453419",
    "userId": "27195868"
  }
}