{
  "manageEntity": {
    "action": "Save",
    "entityId": "616921587",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x09b401255b3f8238b4f2c0ce9ce65d351a495aad655f9b2040c199ec449dd7a8",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
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  }
}