{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0x184481edaf5c89a8ee41014a02bc5bc7202ed318bb76826cc4ab6c9bccc4a982",
    "signature": "0xd882ff7e4e5cd2efe32a21dbe471ba86304d2b6dfd8454e1939dae1e4b151d153567d15134a6982729d0026810eb46bee7bfa9809b583639d5b20b938c51af741c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}