{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346744",
    "entityType": "User",
    "nonce": "0x0c29463789dd5e6f1e9c58e2b7f0c2cf1de42c4e80e846ca53a4893a59b12c8a",
    "signature": "0xf8af562bba2a03ebae75687203fea2f5f69877e2b1fccb9cd2920a87fbeaea8a78d78de9f45a645662323e2dbe6457d5d9154487df6fef3fd7d8b39bb5bf7db51c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}