{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0xde04a40ff03894cffd68b8b34dfa968b22c57adc80ed5bb1f9c0d2644560f1aa",
    "signature": "0xd2888797c50326af9e7fa4fd8c1238094c8ccacc5305ba5855cf76f26243c0215c7678283a601ee1bff7ea9bf5e8f7193bf4dc84cbf359f3ff42651dbc244f0b1c",
    "signer": "0x49E5258D1AE63EDab11Db450c47178B52e477053",
    "userId": "86201"
  }
}