{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x595641d452fa0c023b24d09b3709d54667ecd10fabf20959db4c804138314995",
    "signature": "0xa6b63c40fa65749ad69046e00a16363d0fd87298273f109f3ec08536e8ce65634d8a9fed222561246b2519fbc5e982c7cdeb1314b95de01ca16eb8ba974a49031c",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}