{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x0fc417bf4e9f120676096741180d4208a0595d5cfa31d16e83df145b9050abfe",
    "signature": "0x986d7f8a5c2166f57c61f1a99cbdad2a5a615fcc5096db6ff9a53ebd0af0ac464882611ef91d93d4bb26225e747be29a54cabd915e0962da20ffe0747b6e609e1b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}