{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77744",
    "entityType": "User",
    "nonce": "0x2f864d04d6b0d078445fca99b4161cd33c787f627d8b5c79dc32ae2855703c04",
    "signature": "0x991be2824b08ef3b460dd44f1c96b24fb2e5c1cfb18080bd6dc835d078841c9e6e604e927524efd96f7f607503ba0af97a1777ddc8ce7353101d68eb43072e1e1c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}