{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106415",
    "entityType": "User",
    "nonce": "0xecbe35e109df6a667f8f6128689680028b8f86abab0794747428ad7064e51645",
    "signature": "0x6229ec22795120960b3df42d07a286ab51af31ef43868b0d80d2f9e825bd35177757210cbcd1411f2b2b771bde65394e7d4c6eb0c2e472bc53cc89a8d80e4a9d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}