{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x29280e6e9fe9172a02055ea8ece6cf40a85b385111f8b8ca801b1c152e6f0062",
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    "signer": "0x7c33af5FeeE705F98865C38eE4351Cb7501A4a03",
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  }
}