{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x49a25f329d7a13e2571d12b650970577edd799487358246130a4e73bae46ee0b",
    "signature": "0x6acce8b1535c4494ed3dd8b89bd3d12aa3aa3e815e863314d626701055b801d54b003f1703bac073cd6b13270ab3355640908aa65a6d6a6d2806cc49e003f30b1b",
    "signer": "0xFa074f848Ca977aCBc270CBbfd4c375c210eB1cA",
    "userId": "939103135"
  }
}