{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "471045089",
    "entityType": "User",
    "nonce": "0x5e73051ea6b3cf8d065e3ae1e04beb17d50d70cc5451c40cec355b6f6d4d4781",
    "signature": "0x17dc190d13ce38df4bcd6e1ee37f4dbbc383e89b900748c4f533c3e2ba2716a5074c70b9c6e65bcd4564b3f87089c33f9e1c2feced484492197bf6850c9c92b91b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}