{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x17118795dd2348f541745f8d151580d20adb87bfef5ca3e42486cdfab85193d9",
    "signature": "0x33354fb9139919557602bba6624f91efe609d9fa59472d96bb6f71e8fe2221140d0f824e65357c7a3c7d8472eab002dca238b0d973675c6a14ddb2e49aaaf5851b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}