{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xb33c2a58a19f7a90571db953dc09c59ff6508a5d70bc410236dbd64ada0339c5",
    "signature": "0x503e2b02bbd2044af18769c77ffadcbb78d4021239d90bf031d8539a08c6b01f46da09dfc002fc3ebb47c50a8d3eb6a15fe6c89df475d8a4e64f9c0fa6baba311b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}