{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1856608",
    "entityType": "User",
    "nonce": "0x8e69c30e078a83bb54d623cb2534a599ee24e786c032ff40054297b919e664ef",
    "signature": "0x023ae567bf3a96e76233a36a1620dc280230c45b239c47473d1931a29945cfb261002b1130416edbd6a79ff622734f1cdb8d282c86615311990b5e2f29e3ddeb1b",
    "signer": "0x6b89eeF406A3D10E08768E85967dB17cf7EaCd03",
    "userId": "125044"
  }
}