{
  "manageEntity": {
    "action": "Save",
    "entityId": "896829108",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3dbfa5fa709cfb142177cde47913cf6cb207e2c496a092a1d78d30b89616905e",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}