{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13214",
    "entityType": "User",
    "nonce": "0xf5fcddd3e6023b3940314eae5de774323430e93d0a65567315ac0bb15a124ace",
    "signature": "0x1b53a9d3e0192f4b878af5ebb4d53336abc9daafd46ea3ecb32c80cae4b55fac17acdfe0bdf003c3821aec6aaf519422930f75d42143c56ba5eaf9be06219bdc1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}