{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xb3966085c9ca06a18ceed05602dca2e98fdd97bbc1ad420abecc14244ac2db6d",
    "signature": "0xeba38636d5ebaf73953926527498af827f2965edb8db530063df03546df7e3b314f2fbd9e2b66e545037c666011bb9b5fd9c3d8eea9d69ed2cb078bbed8c59311c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}