{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2cd784b2bd1fa3ff56bd34d08c8f5ab1686cc86dc276a5da13f4492236ee644a",
    "signature": "0xba7c2b82bdfc54311cc66d35b56aaac3e183d4d75ea9c519c3452972d951d897005520a185310ae21152c1287283af0d6955e57af30e26ee496c2c30dec53bf21c",
    "signer": "0xE61b4fA720A4327Fc15B349039A5518aa4F9f10B",
    "userId": "789953892"
  }
}