{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5378af0e5b2f3d5161af86f2f8ce2c0df8f41cf2be3bf0234e052f0f5ad516a2",
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    "signer": "0x6558B0a655B37203A5C13A10b6bd3BFd6cb44b3d",
    "userId": "930754443"
  }
}