{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54758",
    "entityType": "User",
    "nonce": "0x03a05d35d145572161ebd399db710729492e741914050672502b8e14b789ffc7",
    "signature": "0x9c6b2156f5cd7ffd5782decc1918eca2c86ffd457cb4fad6662740943da18ddc31685f3ada5e858d924105a84b771cefab248b66aa2d1d8282c09c4a48c6168a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}