{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb62a9643359f8a6ea5548952d25c0fa40642d3038bb69344c8ad19488b340e5e",
    "signature": "0x184ea63dcc36bc427848aaea0864ba4cc219b362592f46d4c881fd8247e78ba636ee254e6a6c6010ebaa92d5e40c62b9d966527590e0d9169f23d92f1eced28d1b",
    "signer": "0x0f010E9E28d48Cd0d76AB34a53B81F1c2380f7AC",
    "userId": "247835345"
  }
}