{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115325",
    "entityType": "User",
    "nonce": "0xdb43750a5f48b301d6f373b4fea0900439d19e2bbc2d231cfe6b5ade0c01fab8",
    "signature": "0x99ad51148454079422cd5dda5f3b21ebe5b4ee1641d77bf020a73c930b78abe074fb4f70509298981ef5bd169c9601230d13c406baf3c37891a393fc085fc9b71b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}