{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14833",
    "entityType": "User",
    "nonce": "0x57943f1ec60bdd324f8fe022de4aee2ed0c70db607aa478c65554a7ff1c3b2b3",
    "signature": "0x52159a9faa1a1c977ecd5f238541fa3332edaa10c5b08c6f876ba80e330cc4cc4944db1dfc5e3dff6b546d9377cf006e5e53e196600e5fa5ec4e49aa8f7337f41c",
    "signer": "0xf5E671DCF684528CeB5832E52D75Ef7ad62b1160",
    "userId": "688631167"
  }
}