{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1c0b6d9df573ca4dc5e5669f4b089cb958790af077fcbde56a5e31fb60332823",
    "signature": "0x7addc846e5709592af7604d2b944e51db72a14fec6ba678f1b3401068fab0a167f3d48f98d75f7eb17f0ed904896172eb9807ebd4aeeea9b389ef87be2e49dd61b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}