{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x5cf582fab239ddbef06e8ca323d183d42a5530b1234c5fcb49ae22af83f4b59f",
    "signature": "0x36bf188779d8d9673c3985f2cdeae7a7f646836555dcf32572fe65c75e7a57e71d843ce49f989b277894ce21efdb88c319306f61717de173cad301c0294062761c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}