{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe86679603796013800b5112f0edeff7d24e22df2cf4c6a52b0c08f28d58ac91d",
    "signature": "0x4442db540ff802873a47eae8599569035b96b4138c6f03d0c51831f1fb4d0afe34e655978b2ab542d2122541247211cc4c7ccade2b368194007ecff31ed5fe3d1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}