{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "493446787",
    "entityType": "User",
    "nonce": "0xaf5e7146f16766dafd6bfd5bb3c8429bf1d11585d931617417f5fe0931b597b8",
    "signature": "0x2eb9d513d8a9ccf603a6f455a1be0495efafefa5a77f54bda43998451c75b4c079a998af80b0effe7882a2f9df37c9ea1e7b855d7bc7da751b7b8bec6a7eb3001c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}