{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xc2163f1d37f6e4267c0cc37c8502dd29104634296da933b75248a49c4a827178",
    "signature": "0x9d81843641082e292e9afbfd3a932fac735bfc6cb41bc42364e699b52a9c8715709fad8bf8fdc3d57db154b9da20c3dbd5a2ae6af93a27530217d5484c0b7ad81b",
    "signer": "0x2bcd594000cb24106FB4eEe89372fE4Ee003B718",
    "userId": "203982427"
  }
}