{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97773",
    "entityType": "User",
    "nonce": "0xcc9c47e98bfcdc52ab432146095b9ca1a106c65382d1efd07464684a95b6eba7",
    "signature": "0x2664ffd1409822fc00ba92cfd554c352a18dafe4ee824a0284b42373e08d15e80bd67e073cde44a2b7474236833eacd375dee1101612b5299e1c33045e7d7d101c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}