{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965637",
    "entityType": "User",
    "nonce": "0x888e30bae9827595ede7d124158172d7962fa2e21a4bb8742c78eb25f095684f",
    "signature": "0xf5e67e209c53baee60b2ca9b7fba288f59330684c27bd42da6a461fc0b40c868707565072fa9ff1b2d9c2ee29af892580e54bcddcea628181f9a27a20272bd201b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}