{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316199",
    "entityType": "User",
    "nonce": "0xdcf89fb091e86409f9f1212fe08c1e742a83ae46b47e7f9ca30e3f60b3780cad",
    "signature": "0x30ffa69eb89a25efece0aff697a84cc8e3b2bf4434dee1f4af4bf41e2205eda86d3eb4df33a7b2f9a4f05c8a655f7986a0a1a8842c892396eedcebdca29270001c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}