{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17301",
    "entityType": "User",
    "nonce": "0x4eb50de8b7399832a6ee2e8a67d4ef7b7f6119281ecf606794564954d4301627",
    "signature": "0xda65b508f83a6dcec2a57a6738de8b64b1ce7c2dcd1e89089c2443fc38f76ee2194c66604ff99497935bed7a90b8ec97ca5de00ab690afa5bf6e9d70cec696f31c",
    "signer": "0x993e96De8E059C1D9255b6150648db85329c51d2",
    "userId": "715228208"
  }
}