{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1330166921",
    "entityType": "Event",
    "nonce": "0x2e4835c5cf4883620c7fe762669424c26a9974eae6a5052811c0d4f22b9de5c0",
    "signature": "0x1bd2ab918fa0e6cd96a14e0b4575a9f4cd8696ba467cc63b328ddbf8c3b7606a6bf5644294953c5a7be25256c452cfa5476aa3b0b9f1a48b7107664308ef29471b",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "455272301"
  }
}