{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394214722",
    "entityType": "User",
    "nonce": "0x9d341808bb516ae620a710f3def0597ce4fa7165046f3951ab79052f3ffd6363",
    "signature": "0x067124c8098fe221311ce68917e154738f0c40f906be90aa4dcfefe53380208319d64175dbf95ecf122e62ffdf03be23c846fd77cb9233f10a74e421b95cdbd01c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}