{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1951947260",
    "entityType": "Event",
    "nonce": "0x53096bfeb312bb1b79bacef7904532e3171fbc29381c905bfe33ed4758380ad4",
    "signature": "0xe63e802dd8a66bef3f13dd644a17ea136fa0da3a5b9069aa580786195de59bf57cdbb361a09fc397c49208d435c7557a6ef8d17d91b3a07de2ead5174b8b4f171b",
    "signer": "0x9Cf4d5aFdb327Bb9fb209F7Ae9Eb7E3BC6fA85F8",
    "userId": "723085841"
  }
}