{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386744",
    "entityType": "User",
    "nonce": "0xa70fd388a9f8ba18d15cbdea9fe5a84807b1e227d406e1b43a405d3bd2df0bbe",
    "signature": "0x0d80505ad4fa9c7233084855e09715ca3854286782c41a3c98dab058144bef521b31cac417a97ecbfdf81766c6ca1dabba57f9c5351594417d1290d53c5d23f91b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}