{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0365d6254d9966faec2d22bc5bea46a3ab009c8f7419a6d1828a9be6d159b8e3",
    "signature": "0x5078b95cf16fc3c277514cdbcbd8cf853591cfa5009328f13b4d1717ee3df0bf4cf8fc5e150717f49fd107c0aa551ce74e296b23bbb2b9b1bf4594fda33feb1e1b",
    "signer": "0x0AEe89b3815a269bE3F1D40d0538c87D9EF3008b",
    "userId": "258079208"
  }
}