{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1707019",
    "entityType": "User",
    "nonce": "0xd4ab3572725bb8c920bad5fb5bc179366fa08e6afc2fca897abe0b08457a8040",
    "signature": "0x89a2f62a9bc03c353cde8921fbd16722984acec1a1c2e5268a3162d640f8ae0a5f1a85bfd256eee5869dc1765993d8a420059f14fe831f615babe4d3eb1a60b91c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}