{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x6ecfa3aac43d1e22afb26b25e81f5264dacc502d314da1d6a9820df58f22a48d",
    "signature": "0x9cf33aebcd1432894452f8479d597ad0ed28a0d515aa28b148ed9ecc283b1d7d710c376f4a9a2b29d00e1b26aa17f804ae5f2cee6d73b12e840f43f30edec8d01b",
    "signer": "0x89C95c0d669B68DA003f3053c605166ebd6Ef546",
    "userId": "644104231"
  }
}