{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593893980",
    "entityType": "User",
    "nonce": "0xe8f0133fb93f81c6a06755977cdcecadb5a7efb070be1bd42992b6341942eba5",
    "signature": "0x82fa01e1c1b3c937fc6e56664fa62018cdb0e00aa6848703c61ee8ee82bff7de340c463b405de6e496e69258b5f160f66e10911cf64636295fc9f2e5e6fa6d341c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}