{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x20b52a93b781d15ada09e3713b22656abe0b194ba8318fe47d417ec8546b8b61",
    "signature": "0xe3ecda54c522d786d8231dc3bbfdc604c1e45804407fb3c73cbf5ed8f14d56853399e169b7dc472ae974e12ebd6cc4d2df74820e5e8350c722058928be35fb3b1c",
    "signer": "0xF7C299AB5282FD59254Ec0098FC5F1B997682c83",
    "userId": "61898"
  }
}