{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152497",
    "entityType": "User",
    "nonce": "0x0afaf1be46026f8a7bbfafb22a188f92ac3c40bdac70b089b295a187e09639d5",
    "signature": "0xe39d4a966a8ba45894ee772f630e07d8b9665f6760d7325c0ea549feb3f0e15f371039952f88f5894286b0e399a8a0fadf0f67211950947214285b3404628ac01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}