{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x173204b372c999db085d3d89c9184b1ecc5486090b6a80b63ea0c49d09637ed3",
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    "signer": "0x03e9Caf2aeac5a0F0e4Be56410d67A4148D38Fd4",
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  }
}