{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8f190f99bc04a2fbb6f4e061e1543d9e09130483dcbe8759ec53a46512d4abca",
    "signature": "0x9afda91d24fa7dd610ddc74d913a89b3faf9a0ddd2a8acc329635eb692821e8e217f414de5d6f14efc1185b8016195b3c5bba971e1de6993dff92fb897bf6d1a1c",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}