{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x50bae50452b4e697c625d280b1cd3292619039f66a78fa40d6da50e4f7cda8a5",
    "signature": "0x9c29ac96f20ef9925c68fa6043b1e438580509ef8f6c01afcef472471e32941d7bca9c91242188f0a6cb5ff9dcae5b07a1f3143488f01c14138944da8a5ebd981b",
    "signer": "0x0d70327a97F1354Dc245BcB2B41B5D32F78E24c2",
    "userId": "313005009"
  }
}