{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xdc6b3a9d46a52b159b2871b750403afcf708f46d27a219e4ae6aaa69b1824884",
    "signature": "0xd2ec6b9797b995bfdf56b8fe05d984f0e3e60ea301f09299f412ec8b292119fc1a85446268d126d4978340c8f031c4f912100764b73f29c663c5e5906c8e6f9e1b",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}