{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "850173076",
    "entityType": "User",
    "nonce": "0xc963f4be1dde5305f86f601d7dcc880734c1abe1b63c2592adb22deb01cf2341",
    "signature": "0x6f85b5c46f17a6e787d4bf01c658423b106a9f4f10529304b706d211fdd1eca22d3e7d3e9dd340e35c58909a59685584e8f3e276916d78c07e8a1192ce8c437a1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}