{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "437698972",
    "entityType": "User",
    "nonce": "0x4d0fcf4422746624864a2133f8363025ec33243d50c11d146d327eff9e7fa37c",
    "signature": "0x84309baebd2d070397fc61be1966198fd8d19cb8ac9900b82069d901771ef7747ce009d12027caa8216c1f32eb5839b12c0fd113b615f7873f50cf68758591ba1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}