{
  "manageEntity": {
    "action": "Save",
    "entityId": "1287347764",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x08475a05f3e9099f38da90fe9bd73ed5f5e5a6f68d3f22364b428158b949b1b4",
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    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
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  }
}