{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595768441",
    "entityType": "User",
    "nonce": "0xb0f3124ee2fa76dc15037134ff86f35742b3a486de24e4d5236d3e42f4c153a8",
    "signature": "0x57143272df6c452ab07511aaff791678151ffbe8ec4a007431417770be0b597a30a8a1eb4d4c60510b7c12138e98a41628911923cb4872610894ab03dc77a0e81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}