{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x90198e852312de5c060f8efacdd2220f5baf83e1d99433c0b9b659b78b51224e",
    "signature": "0xd4caa1d19374ea5be30ab9bc11315b7cbf4737ed8ac02d4fdf2dafe7fc74ff30254be23cd69657c5a3936b933500b49af841f6f4ee7323db0cf3e9cb8cbf74491c",
    "signer": "0x21e530f5EA8E24d2476C3Ff8253D151693719385",
    "userId": "854449345"
  }
}