{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2855",
    "entityType": "User",
    "nonce": "0x9b7a3b4cb10288f548aee8cad68cc4a82063bda42ffd6d72a735c75779002408",
    "signature": "0x02174d0791886fcee34794cb5d791fcf3e481e162f9d70327ecbf5bc10de8ade0960552dcd219b67dbda03e4d9a30aabb3c27d7091975fa87e80249d890fc8961c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}