{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x7e3678dd415010a2faa05a275e81e0ca24f6219f9d0ecdcc800cb1f9dfbc97f5",
    "signature": "0x687c79ed747385d0716c885eb1e3a096070baa32dc967b52f036d0435264653a7bf69dcebe2d919302462ad3a49b04ba0765a91337b9e80a83f10ad9173dc12b1b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}