{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "597397433",
    "entityType": "User",
    "nonce": "0x05012036f4b4044f6addb0babd68c5aca30e7e7216a0896419fecc7df5e5964f",
    "signature": "0x92a055f5a00b8b694ee6a7bbb78cbe5432c8dd2b0a1b4e4cc83560e94fc0104b0d641c0c6f96f1fab92a3726780801466221b93f38c8ecb9a5b57cc6b69b68241b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}