{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181033681",
    "entityType": "User",
    "nonce": "0xe537be8a5409a03be1c27aa277d697f36594b812383e154631cb4b965a29505f",
    "signature": "0x5c154e9b1e276994f0ef68f80b09e47ab582df7cd32fc57e922d0adde59c34b3181f8f10da45e84c7713dd9479617208b7f87f03d5e436fd6dc0094763f604831c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}