{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402134",
    "entityType": "User",
    "nonce": "0x741e03b87ae95a138539eec365f7c29e555a2b9ec7508690cbab9ffa47dcd572",
    "signature": "0x080c2038273fc0f2df33a7cbf952f454379d5b72f7461fb4174c58f3cf660a207221adfc615ee1394367c5aab22cca42d870083b8da6d530d23453f3ab39503d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}