{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x65a6d33440ed85eeb3f3ed8bf69d282ba42e74c113d380ca41b966878d5b52ce",
    "signature": "0xcb732e562b8f9184830b0095e3b1f7417c1454f0909bb313a167110d1f6957e537c48062dd8d11f307ff5244787e362d685dd80f8922c3ccec40a840d5d0e6091b",
    "signer": "0x67216abeA9426CEfd3d7051C3827Fe15c76aa6Bc",
    "userId": "121201250"
  }
}