{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3168c14971e93862698dead4ed9dbb47a5ed7ec92667c8d9fb65ce7b46209ee0",
    "signature": "0xa36d78ceb9a231a97a5141656ba0995fedea8ab059583c7f551d9efc8d71dcc91e1453af0d22e1408ed53cfd7d8e177e1eb8a9bc8dba40eee53d4bd909b294161c",
    "signer": "0xC2637318cB327e33be12A3DF73e18c6D3972C17A",
    "userId": "695826179"
  }
}