{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xaed409fde66f261b8bd51d6cb1857ccdf8ff693c338d1d7458298e80dcc0e7d9",
    "signature": "0x1c3e6dbdcc8544d21ffef65dcb1ac386cc78d98aa052882a7735219fabe405f2730ca4447c8447224a4d4071b8455207b79ff45f0319f5b052a59a68e622ed811b",
    "signer": "0xEB9592D53448FC76CA6a96d703DEceC1FF1Bb5Af",
    "userId": "729166010"
  }
}