{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1086471",
    "entityType": "User",
    "nonce": "0xf78afafd4a60d9f132b3d6d84989b9db102e60252900f6b299db6d2a03e082b9",
    "signature": "0x023cd1e74809f6436aef2b62afb9ec8dd7fa78d1e9516762413d7bf83f8d342159d3c919dd07d380be895752d21089c7f092f5314bd97b23f41331750376ea561b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}