{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0xb5ef095b42d6c84cd10436df1e2ef2f48e954b57d8731faf092e92b19aad2fa3",
    "signature": "0x02d700a4e2c017cf56dbb3274824737e0fff75d00a8e1c404ee85745b16eaac17b0eba583cbd42d6d5985c944c095e377665e6851dd9066278cec52334ea01061b",
    "signer": "0x54843d003DCBeEC3EAA58af1cD2BFaf52E4d065e",
    "userId": "106509815"
  }
}