{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "54120",
    "entityType": "User",
    "nonce": "0xa8ca296d0a10b0f3ddca19a074bfb98f7f59b82f9479e7db0153ba68e07d68c1",
    "signature": "0x33b6e56b060379267341c598559361e9e2d638b8352292a4ca7ab7f5f5e72a635ba5ce6b725be70cd5ea25971e3d8ad7b76e757dd2248d416367b28d0f6fb9071b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}