{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "16509",
    "entityType": "User",
    "nonce": "0xb28ad347c021fcad1071c7eca47ebb3c5b3dcd18c59a7c4ff4615306fc71ec8c",
    "signature": "0xc5c06dbba0480670c232faaba17464d7eb90e6a234ed7a4a8b970905d3f4050462347b4c1874af5f352e9e62b73c3bc771e51194eafe349d240e744b7dac00711b",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}