{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171494933",
    "entityType": "User",
    "nonce": "0x360f2cf1781fdafd86f22faeb945bbd9f1707af9a4d8cfa6f677175bf971bc0a",
    "signature": "0xd0e7cd7b286740bf33f92c23df74fe1321fbd3ccb761fdf83de81297bdb508067ef18d1579a27f0266fe398ccaee4a214f78d4660e4042d5e609ba31da0d93091b",
    "signer": "0xe3e4e5551A64fEaDc2a8518b64fE2fF7EB6aB2A6",
    "userId": "502392634"
  }
}