{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1413670",
    "entityType": "User",
    "nonce": "0x8722d4fd49705e9c5ebf269a79c058c19a3e2251f2c55afe4858f8e4e660e308",
    "signature": "0x331ec1f44fd1409f2bad9eabd7400ff912e4783831997cffd80e8db5690a15a47bc014cd32aac59de82290790dbaa774d99f4b481d4074c26090684fa2f1c6d61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}