{
  "manageEntity": {
    "action": "Save",
    "entityId": "71262",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc2a44639877de26729dd39cb21ab1b3e87f38d0ba3edd93c6e0bd4d8b3534f8",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}