{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204166",
    "entityType": "User",
    "nonce": "0x2b3d6eaac3c9ff36e38f54e0f8c987d55bdb65a5c3c385058160f2cc1f5280d1",
    "signature": "0xf771f3c14f43b4d55a555968a7c642c243e0bbe43e1f2c676cce7113f081f7587d951373206bc3376470117d9d7320f0edfbb7a3c7ac83872f026dc31c154be31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}