{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52606",
    "entityType": "User",
    "nonce": "0xec306ece5da2c56cfd1cbd5b0162228484ac40b5f31aa216c1ecd28ad049a3e7",
    "signature": "0x64e568074a70ddf707d41e74071ed29b18280663c3ee0f81611166697432c72535057981be50ee28ed3ae501e1e1e831bc934118fb1088c9a21e69a5ec7fe8891c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}