{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x42be09e2484946e84a82f0c4611f9b62df2283489e890e9dd0803ec2568c4e3c",
    "signature": "0x0d938dda289f5dc7a46dada97f4d4f7a490355e71d191fc25259dd4a72d597007ea237908cd29e06939113581a102e53803890c015123bca70cb395183ad1ff21b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}