{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x402e52e9fa04a18d017bd9f961ac5ba0d9895c02c9fe105ee464cd659ae07ec1",
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}