{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "16521",
    "entityType": "User",
    "nonce": "0x3776c6063f0d744abfe48acccd1d9dfe88b9c624bb2261c1c4208a92fb158e70",
    "signature": "0x87843968184aa0f1c37f02fb8afd334599ffae0b173896fd74a61587fb6e7ca2237c8051067e24bd95068efd9b6ab04edad04a0eb9a97b3ec9322650c2b48ee51c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}