{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x655d94888dbfab95b6870dfe1451d2a4ced1f168c26495600858d412e9e9539e",
    "signature": "0xd3e47941fbbd4243e1c96cbd13d8964f25a5126173343ba22332e179c915e5461c7ff230586fa277283b4acc98bf7adca5c406a5266b531517524b36698a9d361c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}