{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1319258",
    "entityType": "User",
    "nonce": "0xc09a2e46c2c97eb33c6047df027bbf4e9bd756c70a4861d7da370d6a91b2811a",
    "signature": "0x70b30c338296075cf00bd0fcfb9729fe3d73a813c320cffc6d58a95a3f67a0b444730a783016949fa57afb3a2ec1334fdd31d7e074be866ce018424ca00336fa1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}