{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236399",
    "entityType": "User",
    "nonce": "0xa68f6624cf14f16f9bed7390a21380526a5c5a10a79c399b033c5b25613da830",
    "signature": "0xa1e13b5be428c3e5f2e0e4c17b4d867ad16cd0b4241cf22ca46725e901f9450210e17a7bcfa88e149c2b7d1258767970aa027e8c9ce625ec1558189c8ca11fde1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}