{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0xfef7a9816382a71dd788bf95ff4167beb0ed7754dd8027b8588d27da2035064e",
    "signature": "0xd1bfb55b0d73eb20c71581749d73091d44fab7dd9ced28e40c21a08ee30516dc780e7fa8808eee25aef0eb7363de94ac9be26f2c6d49c812a24f238816e687b71c",
    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}