{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4bb99503ad77d9901e378c12e99a139573cc54b8cd402741ad2963c4625aae7d",
    "signature": "0x46ef036ed6e4313d873a52d3628311e779bb0dde0481165d1870d6bb5e0c3a866b49ee77cb358be8f259a5d795667ea75c02ced9a7d95f7032b996cec9307fb61c",
    "signer": "0x9644c1B07eF186A78EeF1d824689f68Ba726640C",
    "userId": "333521"
  }
}