{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xdc47a0c5ae7d01bfe2ab38ae1ea555bafe68502ed78960666869701c5568b5fd",
    "signature": "0x9e3d2beedf426d0fd6a55e9ee86fa5b888a0c6965aa2018b08a56160e9d2a2321171a6397cd3250970fa3ef26dbee0de9d69e04bf0e0be8881fcbeaeed11b2ae1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}