{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe782220a688a64513fb55efd24c7ecf0ba7e3167729f838b843d457ec959c953",
    "signature": "0xaf0f0dc2e22376b69e7de3b6d693dac37f380dee016473ebcc95d42778a2b8f25718d4b19d605bc9d816aaabcf99e739c109299cc3056807d9985bd788a892791b",
    "signer": "0xf78259ef9c5828Ef492a34E060c74Af561728758",
    "userId": "298614146"
  }
}