{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10979468",
    "entityType": "User",
    "nonce": "0xe9898bb93aca34326c726ebcacf15fafc0912284353b929759dcba01f6b6a8de",
    "signature": "0x2051ce55c6e5737bf2f08bef567ee8a578cf99998d0b9c5a5e13f2065b7b583e5b02a4dac1517d50405d064728b8f0dad9064cb5e91b0a3f1bf9c15b076916cc1b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}