{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182787",
    "entityType": "User",
    "nonce": "0xc4cb48913aa97b19f15ac773aa93229f9ce5853650cab07b6cafbb71f9b030c1",
    "signature": "0xee6ac9ff1073349bf43d93c36a6f2f18420c3343cbd25469e37ff76dd011ee2e4a11f53076edd1fd28b2df3ada37bdb744bdc93f54ae0ec4725701134e7a4f0e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}