{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0xf4b935ba4e103d6c5a3deecd4335b5475d29e2262052061773b7ddac2d802047",
    "signature": "0xa9dc8a08413ed16e7fb8af5232a2bddae0f03752b35ce8fc3e15116909811c300aece30a23827ae07b496f051923adb89173e9a63bdd08a68f7b607ce942251f1c",
    "signer": "0x3341e7b2faF31D80Ac15180871366fEa6EB23ef0",
    "userId": "915341703"
  }
}