{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0xfc02e64b2d5937eee432c6d725b7af3e56f5ea35b2639213637c87a9fc7c4716",
    "signature": "0x1f78804a718545d8579245a65252cce5b6d77d2a9bee3a504fa4e49dfa4ce3ee308469e2c8c84b72f120eaf3afa20c1e14212c85381bd4eadd73aba96a5605cf1c",
    "signer": "0x0168976438910D2f5330323a0d0141Fb4Af95032",
    "userId": "317847"
  }
}