{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54388",
    "entityType": "User",
    "nonce": "0x83ae995783bc250566eae65b93194037c5711062a307d411d50eb1e0d5f40118",
    "signature": "0x276c0783320905c1f505561f69b781f923acb70a88541da9ccfe11a59f343262548a227a8ed277af1968a2bd194d0e09785f7cb3452a9a6e0c17cd738f4745401b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}