{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70970",
    "entityType": "User",
    "nonce": "0xd45513039bc21c5030796ed46cf49c56992f55478521b5079718dd468dad1df1",
    "signature": "0xdfc865ae3ff3ea2e10bc4dee50afaa8f45a81b834483a9b5d436f62315747c715794bf483a17b0e4f88c579c8edb2802eec9c0fa949150a83dbb6e3888e648c71c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}