{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3028",
    "entityType": "User",
    "nonce": "0x24e7a58e433bd41ee46a1f23bb7fbcb2ef46aca0108ce46e66f80e56db15e539",
    "signature": "0x747036b481cbdea415e2d4ca6ec5cb874eac7bd2e329d7a7294ffd6a014a750a2186318823cf831c146ab4b0c9f80dfa38a14d299a32980e0c4f2a6e3bb8ef1f1b",
    "signer": "0xA518C4B4e06db28f7574297648E8B716E0578154",
    "userId": "841029631"
  }
}