{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134409",
    "entityType": "User",
    "nonce": "0x2c0048555e9c4495a42729897144ff23a05d0a023d2571682c9fb6316f9bc1d0",
    "signature": "0xcbbb957b6db6e160ae53a862a3b59568a0d0a3629b530a62fd22b14678f9802074d7b4cf41f0f1f5ac6101d41bb1581da80506ee95dd77f9485aed5f06bb446c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}