{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc772b08aea1b3c77d43daba50b1cfb9ff3ca5e2074381e35700104547bb55e64",
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}