{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x30eb3b8969c102ea813b3359a88547d76a9ec085246d1a139e01573e8dd1d8c4",
    "signature": "0xd9115c1772fbc5f581739af58008914ae8cb153dc49811c47d3bebcc43077d2a5476d6dcd95736968c36d510e6f7e629846006199f97ba99e17e3dfc4b03d64c1b",
    "signer": "0x8dFbCcb1E2c514394233304A23fa58eDfA3B5785",
    "userId": "171570278"
  }
}