{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7b2782eefe114bb73bfc3ca3176619d5608b64f88224fd025aead51042bb26f4",
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    "signer": "0x7cBf9C818e64D0e7E0f624C52725f97CE9E2C312",
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  }
}