{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383930",
    "entityType": "User",
    "nonce": "0x9fc04f5e27650bf1d24a90c8d1084b454ea0a548624fcb950822aba33cf62289",
    "signature": "0xa032e232606019f37676070930b7dd6ed79c22b011be1c93433933ff60055d1d6a9477a1aa253b74974a480051bd608f07ae26fd3baa4c191395f16ea4a803681c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}