{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x4a4aa0aca86322cbcbf69b795adcc3f1efe4ac4bf301676a434a071ecc14d560",
    "signature": "0x2a565eaf4433c278e4c936b9c1f2f004dfa319f3b821fba7574445293ec053727363bad2b2b509fff1ec9e55ed0f73dac51fe70b2a27eaabfbd0da0a2e189a6a1b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}