{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9a0aeb382343cc120b638f6575300cc646abe7804efaac9c6760a38cf21f7edc",
    "signature": "0x922e4e621c4f2f160a4e53f946c38989d2a2fd3049bb9141ed8fa78b88716bba32d6acff6b240d92ba60a01e4c6d41c216eb9a608821b164dd41246c55d708eb1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}