{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117290",
    "entityType": "User",
    "nonce": "0x0166873409615290893ce764d3bf86ac938bf6c01169d9b6195876acd7edcf13",
    "signature": "0xe7b8ea73383ec8498afccb14c882e857cc43ab5ce52b9e1bd70f331220e00abd75551960e5dbf872a8bf3852bee75c1b246a3eee17d248688d2f78a59faa44ea1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}