{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe372e4e1d1add52bcdab970eab1155b1c2c4b6e53781fe31ddd6fdd739a94215",
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    "signer": "0x9b41E20ea422D7d5ffbc1DfAE14B6A1ea1a61e74",
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  }
}