{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7ebda85269e74c6674e58e94548a51f47fa60b30b9205718a303a1b793a6a152",
    "signature": "0xdb434ab4411a8972ff141fae2215a0a82bc82ffd5c9d0e9c56beb269dfb2334577a49386ac88f5c2caa73707ff0de0571c6709909282d025924351ba73b50b881b",
    "signer": "0xaAB195cac4029fce09bd166F1546E1a76049c50c",
    "userId": "844451279"
  }
}