{
  "manageEntity": {
    "action": "Save",
    "entityId": "2146115572",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9f59bc90b128341b1f532ebd8721a57e0b8ccedfeb881f315376981621adf95f",
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    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
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  }
}