{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xee6f2040c67b0fe4b48fd41f43454054c53c2c7055afa9e9375a7cd7524eed6c",
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}