{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311257477",
    "entityType": "User",
    "nonce": "0x7493228a51c9be8266969ab033f7e6955e685faab4b825f7a92a7c85d07d41be",
    "signature": "0x1a8f6373be9084669b122755dd7ea413cc37b26ff7af592febb0225a7d5ba1e058b0121e385511e25fcc590d0752b659ba2a90a558ad007858470fa2f272973a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}