{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x02f281fb210b87bb4d3ff01cb7a4dbc6777d908662b0283b83d3473f19bc4b7f",
    "signature": "0x1b8ae847035403f4d178d7abfbd756fb4187cb09d6cb1381a41d03a477d87267259270d4087d50d8b9865edf8d7efc6371ab19911ed80a8227f83a775448f1f51b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}