{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74095",
    "entityType": "User",
    "nonce": "0x446ba09769395e404ac93c6d1bc9f7033c2d81112f0f3279ac2b6900e6a86957",
    "signature": "0xd821cc3115a5cc28bbb6fb4ed91cdbac5656ed95e01e217d521df7a25449c2aa657205cee2047ba3ca6822db937d8247ac01533d2f743fbd53105e944c9cc9521c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}