{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xc8a945ab7a4d350081899dac7060740076160767d1796747b369fc7301d3ff08",
    "signature": "0x01bef4095fc3360e666b0c627ebf56a1751153b4ac65a6555d4c0b20ce5fdc972948c2bf2de197d8ba0ffa4ddd0d817867aaffd96ac5128cc97401c0d7637da31c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}