{
  "manageEntity": {
    "action": "Save",
    "entityId": "868731473",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4fc92f8af537479754f60ac86c69e5cf8630b57a64eb2afda397afec6670fdc5",
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    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
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}