{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "528688046",
    "entityType": "User",
    "nonce": "0xee83d4287c522d5c0982c1a0438c492199d7ca722df77a5a6dee188e65269110",
    "signature": "0x152b429a3f9ff13fa9d287a924503a62632338ec83d1477b526eaa2da8d324363d7c3cb9324fa801dacde99e6cae182ecf369d4a656df1e45de198e8500116471c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}