{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x4ca3e5c8447ba48ac6d532d4aa1a43cb276af72197c19438bf84abd02cead664",
    "signature": "0x02b17f87cee32c4df0b765957e82b4267164d45e81ae6f30c2c52aec794a78de34b9a4ed316b079cb88f1187bdd78131c9e9ca04cdfbed9e771c6e43b975ef431b",
    "signer": "0xF683df1ed95E32e54440FFeFeb8789Ea568A0c7d",
    "userId": "595832942"
  }
}