{
  "manageEntity": {
    "action": "Save",
    "entityId": "562569184",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa8e1a03ec8211eda02c86b9cfa4d5833d24a938fb70d916b371a66c2073f0816",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
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}