{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339785",
    "entityType": "User",
    "nonce": "0xbae158d6f8099d2fd46129c31a2a725458dc9ac23327f0303a54296fac847024",
    "signature": "0xd87d75e3eb49a9da00fed538271955c9f1295ef7ddb6666d225ced9eefcad83f53b8114b14bf752778512066e750135143ca006838ce9637b18609b5dd1ac75e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}