{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3683c33b264ba25a58393da2488389240d9a6c874352ddda64d79064c4ff2ff0",
    "signature": "0x8b40e2fd2b50d51a300821d0d42306d0f97170aa7edce17d20c172c5f8e39a2a72c280f8d627a5838e76a783a21e13edcfaa24ed1ff1fa4f5991eee5098889e51b",
    "signer": "0x70F7FaCE3b822ff8c650a24AE8a279A36Cd4bE2a",
    "userId": "650629596"
  }
}