{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xedc4e994b391b9242062d8cfe05ae9d7f9665e7254fad1ceffbb5b4df4f9db03",
    "signature": "0x533cf3339656755ae911e27fc5741cd159e00589fbce9201f859aed0c18c66e966404a5628caf7ab290f68a7dffc0737671b34d0babc0451f01fb79676eb06011c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}