{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980224167",
    "entityType": "User",
    "nonce": "0x8cbe96a15186c81fc03aba148e3493b42e1fbcba6b2d6afd1d28c9d1e18c77d6",
    "signature": "0x8377e9b7c40c000741693036df9f7f81f32cbaa62014c751555f59fa22ae8c6207365b43efe97aaab6b4221d3436f6e6e122fbb028d69a9cdb27b17ae25178461c",
    "signer": "0x4Eb7b4d3E5A99eeD9Fd090eb5C8692d905b61EF3",
    "userId": "94041"
  }
}