{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "628574011",
    "entityType": "User",
    "nonce": "0x20e0efb7120b05e23d33b197c9d9aa2e1f0bca2387f8c4c17cc82dd3b1176864",
    "signature": "0x1973424a935f875e1afe2111ba69f35095b486d44c4114f077f22065e3d37992625caed32fc0a788e180ebbeb61c1914d1e22a5db924ee5bb7a255815f4bcebb1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}