{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120654",
    "entityType": "User",
    "nonce": "0xa32dab1b6098ff219c7c4cea259b8b6a5453a72729647fc8c4931acaee749fef",
    "signature": "0x4f4d1743700c8a0e34f0d0edda2b56aaec8819d731e461ae2070563c323f611a44c36e2478993e09ca47346237f569c09c3ce2ebd5b99303e52753ed4fa1b3c41b",
    "signer": "0x79c9B434E29BbBA0861B5EeC659398b95B7947b2",
    "userId": "35610591"
  }
}