{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193553",
    "entityType": "User",
    "nonce": "0xba3f68f2efc4a2df2361b1cb715401a5013738c5ef3b31016594075d0bf7a9c6",
    "signature": "0x8f3f895f66b5a76feb372044d1577c0c37ba5ce88b3f31ca9ed59993fe3097d76dd2f0206ddad2f969ce9b5ae7ac76b82346ec175d2eed68705e16001214fa011b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}