{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61854",
    "entityType": "User",
    "nonce": "0x86d787dd4bb5a223efb6f92548d5aba14b1469bab39a3194adc700521d16cfa1",
    "signature": "0x2acbd72b925d76e6815428709e5b4ca6779fc9fe0ce11c641d92b42cf35a8f7c51eaca252754ce78ae14238bea09117751e2981afbfeb6f1d6da6c03527d74261b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}