{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x7fe1bd7653782b2f105c36f0a729821f08214b4f06160d7239d558ed5e6a696d",
    "signature": "0xa099de5d3e82c14ac799a9b80f3b8063a9d6e4878d6fd315417c0f576187916d46b5d6b65cfeca82c7296eb0a02391915384e7875b69e87e83ce322bef09fb851b",
    "signer": "0xc6Ad7F06811d6A88C31184481367Ea3716C9EDeF",
    "userId": "600661494"
  }
}