{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130258",
    "entityType": "User",
    "nonce": "0x71d5d208eb187b463ba004d0cf58f1700367e09fd7aa1ab3e8628da3863eba08",
    "signature": "0xf4149819aff5aa7127515827e53ae376462c35110deaf4e7d451b23b5de75a7148ab897456316533e50dc7c6252ca6c47c82da0453a3def7b66a46dde6e528cb1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}