{
  "manageEntity": {
    "action": "Save",
    "entityId": "1339679597",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa4bd64ac3e4407ff9619c132fc154ebdbd82c670a3f6ce2e9bd0c9347e6fc89e",
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    "signer": "0x956362Be3Eafa2C07Ef5Dcf41cf05B9ac86E0d4E",
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  }
}