{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "814131574",
    "entityType": "User",
    "nonce": "0xaa11683309774d8f429881c6ee7606422dba8707825348d071b384830cb73797",
    "signature": "0xc518acc0f76a341fd28f1c78de841631b0ecd2141b5c893fe19c9cc8f80e2bb273e0f22c4f366745a31bff185fd9dd32ece996ca1a0d7770d10cd46fdfde8d281b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}