{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x255a5df562da5cb75220cbee2e0c36678615c1c5bc6df97ecfef9a48a3434bed",
    "signature": "0x4baa817434cca0bc8b0a29bee5b5764257254c18b4a973dd35e0ac6ba4b160977af09e511e8bab2f3a539ffebcfa3b92cdd15877334633efbd9f6a8f9a80cae41b",
    "signer": "0x0a95EdD91733Ecc1E6C85a09Fca234381f0E89CC",
    "userId": "703650943"
  }
}