{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xe7758747c1b6e736fc29de504e04d60be236b9a133f6f62b64e815714d0236f6",
    "signature": "0xd6eebf089941c9c7c2f0dc2bc296a63ffa3faf5ae7aa07d27dbef15255765e2e30ea9fa3c7c0e924a96ec3f59ee296d89fa5ba949f9af45f278af2fceffe8f541b",
    "signer": "0x1E05b344e405fBE00fbB8344b72Ae1F9458B802A",
    "userId": "353199189"
  }
}