{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533199925",
    "entityType": "User",
    "nonce": "0xbabe16ccd8aab50d4811956035f62b81990a0234ea943bf140f07919252ee330",
    "signature": "0x3d822d943b76ba30dd54a5cb52ae18c7acca72d7f6bd85978d6e21ede990b18d2a2e2606fb47001f87bd8115949192918d974ac0a0effae3f4c7cc74f26b3b7d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}