{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "334535",
    "entityType": "User",
    "nonce": "0x7853cca75ec88f73ccd17e1f42ac5d19d831b38a54a7b7e85e0af1d19ddb5463",
    "signature": "0x72180751f2cf2b8dd2e1c18b3b86096871384bccd6522c36b2d9ea98430d8f9f120bf88f12cbed2fa419b5c59a9123daa219d1b3557f35facccb9655366bef391c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}