{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd02459c230f79334ea07d2a714655babf856d6e02ab550a3a23e17e4d2ff62ba",
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    "signer": "0x203D63822a158fD30F14dc7c83cAC4Fe686d6478",
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}