{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x32cc136cba4b9932378342a2b64dc71c383b54601024b09c452b2b3b86009934",
    "signature": "0xe78b2825e9f01e5f8897ed72e5945a19b55cfb893a8e5156820ff55525c94a8e5e906d4438cc02082b3bec56d9bb61566a4491487665a74b84d16fe636a073e81b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}