{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124848909",
    "entityType": "User",
    "nonce": "0x0a4a5f0bcf48e57cda92c51b0c319d753d66803a464ac6ec604ae380ff0df100",
    "signature": "0x5fbc671e540f6c29784b5a4d79701ba80a0cb52f588899ddba054cf173edfbfe58489ef119bc585e5024d16a3731b3988bedc66f63c49a182f49db4df35937dd1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}