{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x20908b24c23c152b2ab8ff58730ccc5dbdf0d1b03a657b226300eb1a2d58ad01",
    "signature": "0x0f130dd8484390f6832b6ec9999399af0132230970b8bc14fef15dd0c7f767e67a7e9908d4de0ff4dd1968eb55e272124d2011f297675ff24fc126863dbfcae91c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}