{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x485250a5ce553ab59994d09ab934e6cca238d2d9712482c897fab3c12ffc3306",
    "signature": "0x9ed540e2acb3d585bce95598845c23ecd576905a8ebba01a6296c90652166d615f8dc269b6d15f77fd815dfc68f7a4d972228b14cd7f809714a9b30d4495ca601b",
    "signer": "0xeF949236Ee2688be3bd73f10f3998CFDEe36b268",
    "userId": "360354"
  }
}