{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "710666555",
    "entityType": "User",
    "nonce": "0xc6e46c97ce841d200663fea580ac9c066ac91241e8289867ec9192d4622e4652",
    "signature": "0x7a5161edf23134d2a9644739e97d3ca1502dd19894bd9c2d5b9ac356f6b3ff600e9008064c0189988310cd7121220103efe9d6e4c6f4c4702b7e345990808f0d1b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}