{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "64578",
    "entityType": "User",
    "nonce": "0xd3d6869e3e468ead4a34347ef9e184284093d4f3545f54d48614ae4aa5b7a3f8",
    "signature": "0xcb67f59a2b9d1db2cc0cd1eb9be1c859831571d59f7da83b374116f5613502f258fe96f79f0b397450238fc1a93bfca01ba1ad71a519e9dc24c8b92771e146ff1c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}