{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707265359",
    "entityType": "User",
    "nonce": "0x52143af973f29e605d5817ad04607ac94158236b12c0bdec258b964c00d21bd4",
    "signature": "0x4238e829aeadc2f1acdf58c33d7ea171943be04cd24df3632394bfa78e4434555372d6e5676c992d935ec89484f75f910aef1fd643ca2a220c765abf12e6887b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}