{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x22b660118128adbb4395d8e74f9aa4e0e65a1f530328d30831dd489cdd32cd8d",
    "signature": "0xd65951940e49fa165055a1bc75d45fb68164dd6ae88072506ee8dcf48791f3235c8f019738bcd71ea1eeabb97be282e7509193b95f72a3146674449c23185c5d1b",
    "signer": "0x451d1Fcc610ac6c427d570E73Cb3641Acfa23b6b",
    "userId": "134623867"
  }
}