{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396354",
    "entityType": "User",
    "nonce": "0xe3bfc00ed77142aad90f80a18dab3fe58fc366da2b210dfd9e43999051bc3e98",
    "signature": "0x704c810685ef819b3e72a0186b35f025829d4d3809690d5a175025d42478a87b61e75ff01b78d6c63445e227d04cf8609f0b1d4b5cb1c138389d120fdafeac881c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}