{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xa072500b9a356df6d896d9a42c7f3bf055ef7623c8d3c7c4c2829f99d57269f7",
    "signature": "0x951531bf4b8aebb82fa788f199eb6a616b1f22430e947336005dad651a7d8b9568f05258715836c17d2f97533db337c1e1f2f6c97216d40262c64c4150cb2eb41b",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}