{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x525b12d03753c53992a6fdb062b78152f00329aed20a49c5d442b2baa86284c7",
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    "signer": "0x9dE7a1B9AE7494a162E2F5eD5AF6F7f1dB2A4460",
    "userId": "225203024"
  }
}