{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdecbec4776a6661575d6b3e71ab3dea8e2164ff05ffe40d35f1184c12f19bb03",
    "signature": "0xc665c8d8a27de31c6fc697477d027466e9621c8959a892e2ecb566a703ab9b716fe1626ffebc939ebf251ae86b9e8b589b4a9e7bb0188b46d58df5b3e0715c171c",
    "signer": "0x3256829bD2C36780Db69b5c18671A1DA06B8d505",
    "userId": "468369673"
  }
}