{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327107085",
    "entityType": "User",
    "nonce": "0x7ec07401fcffde86abdc7d9e657727a1bbaca650f688f374aea95b2ae27001e2",
    "signature": "0xb523554cc364fcd3fc61b879ac61abd8a1e7b9d94eadc7d7795bc36cf4950f9c1f3e01c0641bdc7c3117050fc5155587a64904adf02d7151d797bb9c7135f6ac1c",
    "signer": "0x3CE307cb27B2Fc2b03Eae311050CA4e8C34Fa57d",
    "userId": "50936"
  }
}