{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17088",
    "entityType": "User",
    "nonce": "0x3b49e02bf0c80b9783d2d85921c220cbf38ce3b81cc11972327aa90c59cec6fc",
    "signature": "0x7fbcb3211a09a2aca03950e5ed2d22b484545bd7ed994ef293231a46e1003ae70b59c52493c25c96c0def6c0ba3d33fedfb98d59c2c408c566683188220e968c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}