{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22454",
    "entityType": "User",
    "nonce": "0x0cf590d867329dd4251a6c846946d71f236f3101a2f81399f0cb4d23e4584095",
    "signature": "0x1a14709e8385ce64bc2c3f074e92fe6ac7eb3c70c2b0522e8042051735d73e5e1f5fb69789488107d6b78191846fe0093ee31b197a089aeabfc51adc7e61ce841b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}