{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881956045",
    "entityType": "User",
    "nonce": "0x5159eb8162fe8ff7a69b80c2d919f677a457dd2aa671e80c472b74db7eb3436d",
    "signature": "0x89b4efddc3373138c03ff0745d762f7697ac9fcfc4eaecfa777aaa970b51a5a6682d6ce270c56841d85432da8b142851962b69424e595731649917ddc33f7f3b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}