{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48736",
    "entityType": "User",
    "nonce": "0xec2fc0c9b191f85782df3cf881bf0eda1f6cdc91fafbe83ee0281f71df262b49",
    "signature": "0x215523c27581fbb67cdd24859068545650c7745032f7895f949c0b57d56b84df684ba75d9a13fb0f5c359fa8f0e5b5310d548ae0b8e14bd60e007106364ce1031b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}