{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x3bda92601146250a0fb62272e28651d352f4574a9eeb057e377a9af27ec0d976",
    "signature": "0x9d7551650c284f73c21ea84f6bd02c30f643574df5f8c72b0506c737fcb45967042f18f4c67bada1168862c148b341671dca1c88731c8e3c25db7c13f2281fd01c",
    "signer": "0x983B834EEB2c355EaD77E7F76138adb8b56faF18",
    "userId": "442086440"
  }
}