{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0x47dd684224791ea80634bf303d333c71992807ade94d0b1106274e48625f1d1f",
    "signature": "0x5168a65aa0859f1483a37c56f3f2bdc4715813b1a15b4a4250464370bc00a0ff45b9338df68c77cd57dadd51f962b15220211361bf83fd406471f30d33ad43f81b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}