{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51978829",
    "entityType": "User",
    "nonce": "0x1265b56c0196f02eb9405453b52ab343778a376a54061c14bcb7500ceb55d128",
    "signature": "0x2edc2e69abc91b7675a7c8148dca75b7e7329d7ceaa8873f5a38c0d476f6549202eaab3fed5343c74720120835ea2770e40d47f594ed602567b931f47ce3055e1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}