{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc5579cd08c33c89758609af6507452b60a669973243214f8415ddd4fd3e01570",
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    "signer": "0x260F157Fa81041c23E5ffC912b47e62309eFe44f",
    "userId": "572980514"
  }
}